85947942 has 16 divisors (see below), whose sum is σ = 172044720. Its totient is φ = 28624512.

The previous prime is 85947919. The next prime is 85947943. The reversal of 85947942 is 24974958.

It is a junction number, because it is equal to n+sod(n) for n = 85947891 and 85947900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85947943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2178 + ... + 13290.

It is an arithmetic number, because the mean of its divisors is an integer number (10752795).

Almost surely, 2^85947942 is an apocalyptic number.

85947942 is an abundant number, since it is smaller than the sum of its proper divisors (86096778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85947942 is a wasteful number, since it uses less digits than its factorization.

85947942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12407.

The product of its digits is 725760, while the sum is 48.

The square root of 85947942 is about 9270.8112913596. The cubic root of 85947942 is about 441.3114145967.

The spelling of 85947942 in words is "eighty-five million, nine hundred forty-seven thousand, nine hundred forty-two".