99940476 has 24 divisors (see below), whose sum is σ = 233694720. Its totient is φ = 33242032.

The previous prime is 99940429. The next prime is 99940499. The reversal of 99940476 is 67404999.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2946 + ... + 14441.

It is an arithmetic number, because the mean of its divisors is an integer number (9737280).

Almost surely, 2^99940476 is an apocalyptic number.

It is an amenable number.

99940476 is an abundant number, since it is smaller than the sum of its proper divisors (133754244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99940476 is a wasteful number, since it uses less digits than its factorization.

99940476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17873 (or 17871 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 99940476 is about 9997.0233569798. The cubic root of 99940476 is about 464.0667697711.

The spelling of 99940476 in words is "ninety-nine million, nine hundred forty thousand, four hundred seventy-six".