390835662 has 192 divisors, whose sum is σ = 1031362560. Its totient is φ = 97977600.

The previous prime is 390835637. The next prime is 390835667. The reversal of 390835662 is 266538093.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390835667) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6407112 + ... + 6407172.

It is an arithmetic number, because the mean of its divisors is an integer number (5371680).

Almost surely, 2^390835662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390835662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515681280).

390835662 is an abundant number, since it is smaller than the sum of its proper divisors (640526898).

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

390835662 is a wasteful number, since it uses less digits than its factorization.

390835662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 390835662 is about 19769.5640316118. The cubic root of 390835662 is about 731.1358198815.

The spelling of 390835662 in words is "three hundred ninety million, eight hundred thirty-five thousand, six hundred sixty-two".