91429204 has 12 divisors (see below), whose sum is σ = 161417844. Its totient is φ = 45309824.

The previous prime is 91429181. The next prime is 91429207. The reversal of 91429204 is 40292419.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 46512400 + 44916804 = 6820^2 + 6702^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91429207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100687 + ... + 101590.

It is an arithmetic number, because the mean of its divisors is an integer number (13451487).

Almost surely, 2^91429204 is an apocalyptic number.

It is an amenable number.

91429204 is a deficient number, since it is larger than the sum of its proper divisors (69988640).

91429204 is a wasteful number, since it uses less digits than its factorization.

91429204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202394 (or 202392 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 91429204 is about 9561.8619525697. The cubic root of 91429204 is about 450.5001911387.

The spelling of 91429204 in words is "ninety-one million, four hundred twenty-nine thousand, two hundred four".