24936989 has 24 divisors (see below), whose sum is σ = 32220864. Its totient is φ = 18748800.

The previous prime is 24936971. The next prime is 24936997. The reversal of 24936989 is 98963942.

24936989 = T₇₆₆ + T₇₆₇ + ... + T₈₄₂.

It is not a de Polignac number, because 24936989 - 2¹² = 24932893 is a prime.

It is a super-2 number, since 2×24936989² = 1243706840772242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24936929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73829 + ... + 74165.

It is an arithmetic number, because the mean of its divisors is an integer number (1342536).

Almost surely, 2^24936989 is an apocalyptic number.

It is an amenable number.

24936989 is a deficient number, since it is larger than the sum of its proper divisors (7283875).

24936989 is a wasteful number, since it uses less digits than its factorization.

24936989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 386 counting only the distinct ones).

The product of its digits is 839808, while the sum is 50.

The square root of 24936989 is about 4993.6949246024. The cubic root of 24936989 is about 292.1559067655.

The spelling of 24936989 in words is "twenty-four million, nine hundred thirty-six thousand, nine hundred eighty-nine".