390835601 has 16 divisors (see below), whose sum is σ = 432295248. Its totient is φ = 351129600.

The previous prime is 390835591. The next prime is 390835603. The reversal of 390835601 is 106538093.

It can be written as a sum of positive squares in 8 ways, for example, as 172239376 + 218596225 = 13124^2 + 14785^2 .

It is a cyclic number.

It is not a de Polignac number, because 390835601 - 2⁶ = 390835537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390835603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74381 + ... + 79461.

It is an arithmetic number, because the mean of its divisors is an integer number (27018453).

Almost surely, 2^390835601 is an apocalyptic number.

It is an amenable number.

390835601 is a deficient number, since it is larger than the sum of its proper divisors (41459647).

390835601 is a wasteful number, since it uses less digits than its factorization.

390835601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 390835601 is about 19769.5624888362. The cubic root of 390835601 is about 731.1357818440.

The spelling of 390835601 in words is "three hundred ninety million, eight hundred thirty-five thousand, six hundred one".