86409742 has 16 divisors (see below), whose sum is σ = 138603312. Its totient is φ = 40259200.

The previous prime is 86409731. The next prime is 86409773. The reversal of 86409742 is 24790468.

It is a junction number, because it is equal to n+sod(n) for n = 86409695 and 86409704.

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, 9148 + ... + 16015.

It is an arithmetic number, because the mean of its divisors is an integer number (8662707).

Almost surely, 2^86409742 is an apocalyptic number.

86409742 is a deficient number, since it is larger than the sum of its proper divisors (52193570).

86409742 is a wasteful number, since it uses less digits than its factorization.

86409742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25283.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 86409742 is about 9295.6840522901. The cubic root of 86409742 is about 442.1003948767.

The spelling of 86409742 in words is "eighty-six million, four hundred nine thousand, seven hundred forty-two".