23498490 has 16 divisors (see below), whose sum is σ = 56396448. Its totient is φ = 6266256.

The previous prime is 23498473. The next prime is 23498491. The reversal of 23498490 is 9489432.

It is not an unprimeable number, because it can be changed into a prime (23498491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391612 + ... + 391671.

It is an arithmetic number, because the mean of its divisors is an integer number (3524778).

Almost surely, 2^23498490 is an apocalyptic number.

23498490 is an abundant number, since it is smaller than the sum of its proper divisors (32897958).

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

23498490 is a wasteful number, since it uses less digits than its factorization.

23498490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783293.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 23498490 is about 4847.5241103062. The cubic root of 23498490 is about 286.4265807259.

The spelling of 23498490 in words is "twenty-three million, four hundred ninety-eight thousand, four hundred ninety".