91242402 has 8 divisors (see below), whose sum is σ = 182484816. Its totient is φ = 30414132.

The previous prime is 91242391. The next prime is 91242421. The reversal of 91242402 is 20424219.

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

91242402 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7603528 + ... + 7603539.

It is an arithmetic number, because the mean of its divisors is an integer number (22810602).

Almost surely, 2^91242402 is an apocalyptic number.

91242402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91242402 is a wasteful number, since it uses less digits than its factorization.

91242402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15207072.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 91242402 is about 9552.0888814960. The cubic root of 91242402 is about 450.1931713865.

The spelling of 91242402 in words is "ninety-one million, two hundred forty-two thousand, four hundred two".