91629315 has 48 divisors (see below), whose sum is σ = 163829952. Its totient is φ = 47354112.

The previous prime is 91629313. The next prime is 91629341. The reversal of 91629315 is 51392619.

It is not a de Polignac number, because 91629315 - 2¹ = 91629313 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

Its product of digits (14580) is a multiple of the sum of its prime factors (540).

It is a self number, because there is not a number n which added to its sum of digits gives 91629315.

It is not an unprimeable number, because it can be changed into a prime (91629311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 245469 + ... + 245841.

It is an arithmetic number, because the mean of its divisors is an integer number (3413124).

Almost surely, 2^91629315 is an apocalyptic number.

91629315 is a deficient number, since it is larger than the sum of its proper divisors (72200637).

91629315 is a wasteful number, since it uses less digits than its factorization.

91629315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 537 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 91629315 is about 9572.3202516422. The cubic root of 91629315 is about 450.8286214040.

The spelling of 91629315 in words is "ninety-one million, six hundred twenty-nine thousand, three hundred fifteen".