28760490 has 144 divisors (see below), whose sum is σ = 87141600. Its totient is φ = 6557760.

The previous prime is 28760461. The next prime is 28760519. The reversal of 28760490 is 9406782.

It is an interprime number because it is at equal distance from previous prime (28760461) and next prime (28760519).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 206841 + ... + 206979.

It is an arithmetic number, because the mean of its divisors is an integer number (605150).

Almost surely, 2^28760490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28760490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43570800).

28760490 is an abundant number, since it is smaller than the sum of its proper divisors (58381110).

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

28760490 is a wasteful number, since it uses less digits than its factorization.

28760490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 28760490 is about 5362.8807557133. The cubic root of 28760490 is about 306.3835380426.

The spelling of 28760490 in words is "twenty-eight million, seven hundred sixty thousand, four hundred ninety".