390057696 has 144 divisors (see below), whose sum is σ = 1276539264. Its totient is φ = 110668032.

The previous prime is 390057683. The next prime is 390057751. The reversal of 390057696 is 696750093.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328015 + ... + 329201.

It is an arithmetic number, because the mean of its divisors is an integer number (8864856).

Almost surely, 2^390057696 is an apocalyptic number.

390057696 is a gapful number since it is divisible by the number (36) 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 390057696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638269632).

390057696 is an abundant number, since it is smaller than the sum of its proper divisors (886481568).

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

390057696 is a wasteful number, since it uses less digits than its factorization.

390057696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 390057696 is about 19749.8783793724. The cubic root of 390057696 is about 730.6503842844.

The spelling of 390057696 in words is "three hundred ninety million, fifty-seven thousand, six hundred ninety-six".