24961428 has 18 divisors (see below), whose sum is σ = 63097034. Its totient is φ = 8320464.

The previous prime is 24961411. The next prime is 24961429. The reversal of 24961428 is 82416942.

It can be written as a sum of positive squares in only one way, i.e., 24324624 + 636804 = 4932^2 + 798^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 693373 = 24961428 / (2 + 4 + 9 + 6 + 1 + 4 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 24961392 and 24961401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24961429) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 346651 + ... + 346722.

Almost surely, 2^24961428 is an apocalyptic number.

It is an amenable number.

24961428 is an abundant number, since it is smaller than the sum of its proper divisors (38135606).

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

24961428 is a wasteful number, since it uses less digits than its factorization.

24961428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693383 (or 693378 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 24961428 is about 4996.1413110520. The cubic root of 24961428 is about 292.2513161324.

The spelling of 24961428 in words is "twenty-four million, nine hundred sixty-one thousand, four hundred twenty-eight".