99940492 has 12 divisors (see below), whose sum is σ = 175529200. Its totient is φ = 49789296.

The previous prime is 99940429. The next prime is 99940499. The reversal of 99940492 is 29404999.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (99940499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43992 + ... + 46207.

Almost surely, 2^99940492 is an apocalyptic number.

It is an amenable number.

99940492 is a deficient number, since it is larger than the sum of its proper divisors (75588708).

99940492 is a wasteful number, since it uses less digits than its factorization.

99940492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90480 (or 90478 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 99940492 is about 9997.0241572180. The cubic root of 99940492 is about 464.0667945360.

The spelling of 99940492 in words is "ninety-nine million, nine hundred forty thousand, four hundred ninety-two".