99874140 has 24 divisors (see below), whose sum is σ = 279647760. Its totient is φ = 26633088.

The previous prime is 99874139. The next prime is 99874169. The reversal of 99874140 is 4147899.

It is a junction number, because it is equal to n+sod(n) for n = 99874092 and 99874101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832225 + ... + 832344.

It is an arithmetic number, because the mean of its divisors is an integer number (11651990).

Almost surely, 2^99874140 is an apocalyptic number.

It is an amenable number.

99874140 is an abundant number, since it is smaller than the sum of its proper divisors (179773620).

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

99874140 is a wasteful number, since it uses less digits than its factorization.

99874140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664581 (or 1664579 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 99874140 is about 9993.7050186605. The cubic root of 99874140 is about 463.9640714848.

The spelling of 99874140 in words is "ninety-nine million, eight hundred seventy-four thousand, one hundred forty".