91628002 has 8 divisors (see below), whose sum is σ = 141875712. Its totient is φ = 44336100.

The previous prime is 91627981. The next prime is 91628077. The reversal of 91628002 is 20082619.

It is a happy number.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 738874 + ... + 738997.

It is an arithmetic number, because the mean of its divisors is an integer number (17734464).

Almost surely, 2^91628002 is an apocalyptic number.

91628002 is a deficient number, since it is larger than the sum of its proper divisors (50247710).

91628002 is a wasteful number, since it uses less digits than its factorization.

91628002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477904.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 91628002 is about 9572.2516682336. The cubic root of 91628002 is about 450.8264680145.

The spelling of 91628002 in words is "ninety-one million, six hundred twenty-eight thousand, two".