99828406 has 4 divisors (see below), whose sum is σ = 149742612. Its totient is φ = 49914202.

The previous prime is 99828397. The next prime is 99828433. The reversal of 99828406 is 60482899.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24957100 + ... + 24957103.

It is an arithmetic number, because the mean of its divisors is an integer number (37435653).

Almost surely, 2^99828406 is an apocalyptic number.

99828406 is a deficient number, since it is larger than the sum of its proper divisors (49914206).

99828406 is a wasteful number, since it uses less digits than its factorization.

99828406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49914205.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 99828406 is about 9991.4166162762. The cubic root of 99828406 is about 463.8932417635.

The spelling of 99828406 in words is "ninety-nine million, eight hundred twenty-eight thousand, four hundred six".