91954401 has 32 divisors (see below), whose sum is σ = 157802496. Its totient is φ = 46224000.

The previous prime is 91954393. The next prime is 91954427. The reversal of 91954401 is 10445919.

It is not a de Polignac number, because 91954401 - 2³ = 91954393 is a prime.

It is a super-2 number, since 2×91954401² = 16911223726537602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (91954441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 741 + ... + 13581.

It is an arithmetic number, because the mean of its divisors is an integer number (4931328).

Almost surely, 2^91954401 is an apocalyptic number.

It is an amenable number.

91954401 is a deficient number, since it is larger than the sum of its proper divisors (65848095).

91954401 is a wasteful number, since it uses less digits than its factorization.

91954401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12893.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 91954401 is about 9589.2857398244. The cubic root of 91954401 is about 451.3611478215.

The spelling of 91954401 in words is "ninety-one million, nine hundred fifty-four thousand, four hundred one".