694009085 has 16 divisors (see below), whose sum is σ = 1038310272. Its totient is φ = 432628800.

The previous prime is 694009073. The next prime is 694009093. The reversal of 694009085 is 580900496.

It is not a de Polignac number, because 694009085 - 2⁶ = 694009021 is a prime.

It is a super-2 number, since 2×694009085² = 963297220125074450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900926 + ... + 901695.

It is an arithmetic number, because the mean of its divisors is an integer number (64894392).

Almost surely, 2^694009085 is an apocalyptic number.

It is an amenable number.

694009085 is a deficient number, since it is larger than the sum of its proper divisors (344301187).

694009085 is a wasteful number, since it uses less digits than its factorization.

694009085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802644.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 694009085 is about 26344.0521750167. The cubic root of 694009085 is about 885.3637135895.

The spelling of 694009085 in words is "six hundred ninety-four million, nine thousand, eighty-five".