1390958352 has 160 divisors (see below), whose sum is σ = 4626172160. Its totient is φ = 391910400.

The previous prime is 1390958351. The next prime is 1390958383. The reversal of 1390958352 is 2538590931.

1390958352 is a `hidden beast` number, since 13 + 9 + 0 + 9 + 583 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1390958298 and 1390958307.

It is not an unprimeable number, because it can be changed into a prime (1390958351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217602 + ... + 223902.

It is an arithmetic number, because the mean of its divisors is an integer number (28913576).

Almost surely, 2^1390958352 is an apocalyptic number.

1390958352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1390958352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2313086080).

1390958352 is an abundant number, since it is smaller than the sum of its proper divisors (3235213808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1390958352 is a wasteful number, since it uses less digits than its factorization.

1390958352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6398 (or 6386 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 1390958352 is about 37295.5540513879. The cubic root of 1390958352 is about 1116.2754551874.

The spelling of 1390958352 in words is "one billion, three hundred ninety million, nine hundred fifty-eight thousand, three hundred fifty-two".