24998920 has 16 divisors (see below), whose sum is σ = 56247660. Its totient is φ = 9999552.

The previous prime is 24998917. The next prime is 24998947. The reversal of 24998920 is 2989942.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22033636 + 2965284 = 4694^2 + 1722^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312447 + ... + 312526.

Almost surely, 2^24998920 is an apocalyptic number.

24998920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24998920 is an abundant number, since it is smaller than the sum of its proper divisors (31248740).

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

24998920 is a wasteful number, since it uses less digits than its factorization.

24998920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624984 (or 624980 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 24998920 is about 4999.8919988336. The cubic root of 24998920 is about 292.3975631751.

The spelling of 24998920 in words is "twenty-four million, nine hundred ninety-eight thousand, nine hundred twenty".