91379046 has 64 divisors (see below), whose sum is σ = 220340736. Its totient is φ = 24921600.

The previous prime is 91379039. The next prime is 91379053. The reversal of 91379046 is 64097319.

It is an interprime number because it is at equal distance from previous prime (91379039) and next prime (91379053).

It is a junction number, because it is equal to n+sod(n) for n = 91378995 and 91379013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24036 + ... + 27576.

It is an arithmetic number, because the mean of its divisors is an integer number (3442824).

Almost surely, 2^91379046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91379046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110170368).

91379046 is an abundant number, since it is smaller than the sum of its proper divisors (128961690).

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

91379046 is a wasteful number, since it uses less digits than its factorization.

91379046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 91379046 is about 9559.2387772249. The cubic root of 91379046 is about 450.4177947018.

The spelling of 91379046 in words is "ninety-one million, three hundred seventy-nine thousand, forty-six".