24785490 has 64 divisors (see below), whose sum is σ = 65753856. Its totient is φ = 5947392.

The previous prime is 24785489. The next prime is 24785491. The reversal of 24785490 is 9458742.

It is an interprime number because it is at equal distance from previous prime (24785489) and next prime (24785491).

It is a super-2 number, since 2×24785490² = 1228641029080200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (24785491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10674 + ... + 12786.

It is an arithmetic number, because the mean of its divisors is an integer number (1027404).

Almost surely, 2^24785490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24785490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32876928).

24785490 is an abundant number, since it is smaller than the sum of its proper divisors (40968366).

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

24785490 is a wasteful number, since it uses less digits than its factorization.

24785490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 24785490 is about 4978.5027869833. The cubic root of 24785490 is about 291.5630623409.

The spelling of 24785490 in words is "twenty-four million, seven hundred eighty-five thousand, four hundred ninety".