316629390 has 128 divisors (see below), whose sum is σ = 956593152. Its totient is φ = 65157120.

The previous prime is 316629389. The next prime is 316629407. The reversal of 316629390 is 93926613.

It is a super-2 number, since 2×316629390² = 200508341223544200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 260424 + ... + 261636.

It is an arithmetic number, because the mean of its divisors is an integer number (7473384).

Almost surely, 2^316629390 is an apocalyptic number.

316629390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 316629390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478296576).

316629390 is an abundant number, since it is smaller than the sum of its proper divisors (639963762).

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

316629390 is a wasteful number, since it uses less digits than its factorization.

316629390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 316629390 is about 17794.0830053139. The cubic root of 316629390 is about 681.5803712539.

The spelling of 316629390 in words is "three hundred sixteen million, six hundred twenty-nine thousand, three hundred ninety".