86446942 has 16 divisors (see below), whose sum is σ = 135927792. Its totient is φ = 41186880.

The previous prime is 86446937. The next prime is 86446981. The reversal of 86446942 is 24964468.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8733 + ... + 15784.

It is an arithmetic number, because the mean of its divisors is an integer number (8495487).

Almost surely, 2^86446942 is an apocalyptic number.

86446942 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

86446942 is a deficient number, since it is larger than the sum of its proper divisors (49480850).

86446942 is a wasteful number, since it uses less digits than its factorization.

86446942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24603.

The product of its digits is 331776, while the sum is 43.

The square root of 86446942 is about 9297.6847655747. The cubic root of 86446942 is about 442.1638282150.

The spelling of 86446942 in words is "eighty-six million, four hundred forty-six thousand, nine hundred forty-two".