86031746 has 4 divisors (see below), whose sum is σ = 129047622. Its totient is φ = 43015872.

The previous prime is 86031721. The next prime is 86031749. The reversal of 86031746 is 64713068.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 64176121 + 21855625 = 8011^2 + 4675^2 .

It is a super-2 number, since 2×86031746² = 14802922639617032, which contains 22 as substring.

86031746 is a modest number, since divided by 31746 gives 86 as remainder.

It is not an unprimeable number, because it can be changed into a prime (86031749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21507935 + ... + 21507938.

Almost surely, 2^86031746 is an apocalyptic number.

86031746 is a deficient number, since it is larger than the sum of its proper divisors (43015876).

86031746 is a wasteful number, since it uses less digits than its factorization.

86031746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43015875.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 86031746 is about 9275.3299671764. The cubic root of 86031746 is about 441.4548023539.

The spelling of 86031746 in words is "eighty-six million, thirty-one thousand, seven hundred forty-six".