28490355 has 48 divisors (see below), whose sum is σ = 51184224. Its totient is φ = 14653440.

The previous prime is 28490347. The next prime is 28490369. The reversal of 28490355 is 55309482.

It is not a de Polignac number, because 28490355 - 2³ = 28490347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 266212 + ... + 266318.

It is an arithmetic number, because the mean of its divisors is an integer number (1066338).

Almost surely, 2^28490355 is an apocalyptic number.

28490355 is a deficient number, since it is larger than the sum of its proper divisors (22693869).

28490355 is a wasteful number, since it uses less digits than its factorization.

28490355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 28490355 is about 5337.6357125604. The cubic root of 28490355 is about 305.4212757760.

The spelling of 28490355 in words is "twenty-eight million, four hundred ninety thousand, three hundred fifty-five".