390600000 has 504 divisors, whose sum is σ = 1650894336. Its totient is φ = 86400000.

The previous prime is 390599987. The next prime is 390600037. The reversal of 390600000 is 6093.

It is a tau number, because it is divible by the number of its divisors (504).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12599985 + ... + 12600015.

It is an arithmetic number, because the mean of its divisors is an integer number (3275584).

Almost surely, 2^390600000 is an apocalyptic number.

390600000 is a gapful number since it is divisible by the number (30) 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 390600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825447168).

390600000 is an abundant number, since it is smaller than the sum of its proper divisors (1260294336).

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

390600000 is an equidigital number, since it uses as much as digits as its factorization.

390600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 390600000 is about 19763.6029104007. The cubic root of 390600000 is about 730.9888394592.

Adding to 390600000 its reverse (6093), we get a palindrome (390606093).

The spelling of 390600000 in words is "three hundred ninety million, six hundred thousand".