91798804 has 24 divisors (see below), whose sum is σ = 174938400. Its totient is φ = 41983200.

The previous prime is 91798801. The next prime is 91798807. The reversal of 91798804 is 40889719.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (91798801) and next prime (91798807).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91798801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18622 + ... + 23029.

It is an arithmetic number, because the mean of its divisors is an integer number (7289100).

Almost surely, 2^91798804 is an apocalyptic number.

It is an amenable number.

91798804 is a deficient number, since it is larger than the sum of its proper divisors (83139596).

91798804 is a wasteful number, since it uses less digits than its factorization.

91798804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41703 (or 41701 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 91798804 is about 9581.1692397118. The cubic root of 91798804 is about 451.1064197912.

The spelling of 91798804 in words is "ninety-one million, seven hundred ninety-eight thousand, eight hundred four".