91430036 has 12 divisors (see below), whose sum is σ = 165164160. Its totient is φ = 44240280.

The previous prime is 91430021. The next prime is 91430039. The reversal of 91430036 is 63003419.

It is a super-2 number, since 2×91430036² = 16718902965922592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 91429987 and 91430014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91430039) 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, 368546 + ... + 368793.

It is an arithmetic number, because the mean of its divisors is an integer number (13763680).

Almost surely, 2^91430036 is an apocalyptic number.

It is an amenable number.

91430036 is a deficient number, since it is larger than the sum of its proper divisors (73734124).

91430036 is a wasteful number, since it uses less digits than its factorization.

91430036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737374 (or 737372 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 91430036 is about 9561.9054586416. The cubic root of 91430036 is about 450.5015576424.

The spelling of 91430036 in words is "ninety-one million, four hundred thirty thousand, thirty-six".