99403790 has 16 divisors (see below), whose sum is σ = 181960560. Its totient is φ = 39087360.

The previous prime is 99403783. The next prime is 99403807. The reversal of 99403790 is 9730499.

It is a super-2 number, since 2×99403790² = 19762226932728200, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 83651 + ... + 84830.

It is an arithmetic number, because the mean of its divisors is an integer number (11372535).

Almost surely, 2^99403790 is an apocalyptic number.

99403790 is a deficient number, since it is larger than the sum of its proper divisors (82556770).

99403790 is a wasteful number, since it uses less digits than its factorization.

99403790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168547.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 99403790 is about 9970.1449337510. The cubic root of 99403790 is about 463.2345901178.

The spelling of 99403790 in words is "ninety-nine million, four hundred three thousand, seven hundred ninety".