94131985 has 32 divisors (see below), whose sum is σ = 126120960. Its totient is φ = 67117248.

The previous prime is 94131979. The next prime is 94131997. The reversal of 94131985 is 58913149.

It is a cyclic number.

It is not a de Polignac number, because 94131985 - 2⁷ = 94131857 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146074 + ... + 146716.

It is an arithmetic number, because the mean of its divisors is an integer number (3941280).

Almost surely, 2^94131985 is an apocalyptic number.

94131985 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

94131985 is a deficient number, since it is larger than the sum of its proper divisors (31988975).

94131985 is a wasteful number, since it uses less digits than its factorization.

94131985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757.

The product of its digits is 38880, while the sum is 40.

The square root of 94131985 is about 9702.1639338861. The cubic root of 94131985 is about 454.8963012884.

The spelling of 94131985 in words is "ninety-four million, one hundred thirty-one thousand, nine hundred eighty-five".