1390859622 has 48 divisors (see below), whose sum is σ = 3212352000. Its totient is φ = 433650672.

The previous prime is 1390859621. The next prime is 1390859629. The reversal of 1390859622 is 2269580931.

1390859622 is a `hidden beast` number, since 1 + 39 + 0 + 8 + 596 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390859621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1279 + ... + 52757.

It is an arithmetic number, because the mean of its divisors is an integer number (66924000).

Almost surely, 2^1390859622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1390859622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1606176000).

1390859622 is an abundant number, since it is smaller than the sum of its proper divisors (1821492378).

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

1390859622 is a wasteful number, since it uses less digits than its factorization.

1390859622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51585 (or 51582 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 1390859622 is about 37294.2304116870. The cubic root of 1390859622 is about 1116.2490435451.

The spelling of 1390859622 in words is "one billion, three hundred ninety million, eight hundred fifty-nine thousand, six hundred twenty-two".