91954442 has 8 divisors (see below), whose sum is σ = 137983296. Its totient is φ = 45960012.

The previous prime is 91954441. The next prime is 91954481. The reversal of 91954442 is 24445919.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 91954396 and 91954405.

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 3 ways as a sum of consecutive naturals, for example, 338 + ... + 13565.

It is an arithmetic number, because the mean of its divisors is an integer number (17247912).

Almost surely, 2^91954442 is an apocalyptic number.

91954442 is a deficient number, since it is larger than the sum of its proper divisors (46028854).

91954442 is a wasteful number, since it uses less digits than its factorization.

91954442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17212.

The product of its digits is 51840, while the sum is 38.

The square root of 91954442 is about 9589.2878776268. The cubic root of 91954442 is about 451.3612149048.

The spelling of 91954442 in words is "ninety-one million, nine hundred fifty-four thousand, four hundred forty-two".