1390783350 has 96 divisors (see below), whose sum is σ = 3792900096. Its totient is φ = 334454400.

The previous prime is 1390783313. The next prime is 1390783369. The reversal of 1390783350 is 533870931.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1390783299 and 1390783308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 206232 + ... + 212868.

It is an arithmetic number, because the mean of its divisors is an integer number (39509376).

Almost surely, 2^1390783350 is an apocalyptic number.

1390783350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1390783350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1896450048).

1390783350 is an abundant number, since it is smaller than the sum of its proper divisors (2402116746).

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

1390783350 is a wasteful number, since it uses less digits than its factorization.

1390783350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6790 (or 6785 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 1390783350 is about 37293.2078266271. The cubic root of 1390783350 is about 1116.2286388731.

The spelling of 1390783350 in words is "one billion, three hundred ninety million, seven hundred eighty-three thousand, three hundred fifty".