94140987 has 16 divisors (see below), whose sum is σ = 129212160. Its totient is φ = 60923232.

The previous prime is 94140983. The next prime is 94141013. The reversal of 94140987 is 78904149.

It is not a de Polignac number, because 94140987 - 2² = 94140983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (94140983) 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, 70714 + ... + 72032.

It is an arithmetic number, because the mean of its divisors is an integer number (8075760).

Almost surely, 2^94140987 is an apocalyptic number.

94140987 is a deficient number, since it is larger than the sum of its proper divisors (35071173).

94140987 is a wasteful number, since it uses less digits than its factorization.

94140987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 94140987 is about 9702.6278399205. The cubic root of 94140987 is about 454.9108016589.

The spelling of 94140987 in words is "ninety-four million, one hundred forty thousand, nine hundred eighty-seven".