394085901 has 32 divisors (see below), whose sum is σ = 601211520. Its totient is φ = 227404800.

The previous prime is 394085831. The next prime is 394085911. The reversal of 394085901 is 109580493.

It is not a de Polignac number, because 394085901 - 2⁷ = 394085773 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 394085901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394085911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67041 + ... + 72681.

It is an arithmetic number, because the mean of its divisors is an integer number (18787860).

Almost surely, 2^394085901 is an apocalyptic number.

It is an amenable number.

394085901 is a deficient number, since it is larger than the sum of its proper divisors (207125619).

394085901 is a wasteful number, since it uses less digits than its factorization.

394085901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5757.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 394085901 is about 19851.5969382818. The cubic root of 394085901 is about 733.1569669308.

The spelling of 394085901 in words is "three hundred ninety-four million, eighty-five thousand, nine hundred one".