91470339 has 6 divisors (see below), whose sum is σ = 132123836. Its totient is φ = 60980220.

The previous prime is 91470329. The next prime is 91470349. The reversal of 91470339 is 93307419.

It is an interprime number because it is at equal distance from previous prime (91470329) and next prime (91470349).

It is not a de Polignac number, because 91470339 - 2⁸ = 91470083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91470329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5081677 + ... + 5081694.

Almost surely, 2^91470339 is an apocalyptic number.

91470339 is a deficient number, since it is larger than the sum of its proper divisors (40653497).

91470339 is a wasteful number, since it uses less digits than its factorization.

91470339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10163377 (or 10163374 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 91470339 is about 9564.0127038811. The cubic root of 91470339 is about 450.5677426653.

It can be divided in two parts, 91470 and 339, that added together give a square (91809 = 303²).

The spelling of 91470339 in words is "ninety-one million, four hundred seventy thousand, three hundred thirty-nine".