24994890 has 48 divisors (see below), whose sum is σ = 65415168. Its totient is φ = 6621408.

The previous prime is 24994883. The next prime is 24994919. The reversal of 24994890 is 9849942.

It is a super-2 number, since 2×24994890² = 1249489052224200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 14199 + ... + 15861.

It is an arithmetic number, because the mean of its divisors is an integer number (1362816).

Almost surely, 2^24994890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24994890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32707584).

24994890 is an abundant number, since it is smaller than the sum of its proper divisors (40420278).

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

24994890 is a wasteful number, since it uses less digits than its factorization.

24994890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843 (or 1840 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 24994890 is about 4999.4889738852. The cubic root of 24994890 is about 292.3818501562.

The spelling of 24994890 in words is "twenty-four million, nine hundred ninety-four thousand, eight hundred ninety".