28571460 has 48 divisors (see below), whose sum is σ = 82586112. Its totient is φ = 7372800.

The previous prime is 28571449. The next prime is 28571471. The reversal of 28571460 is 6417582.

It is an interprime number because it is at equal distance from previous prime (28571449) and next prime (28571471).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5821 + ... + 9540.

It is an arithmetic number, because the mean of its divisors is an integer number (1720544).

Almost surely, 2^28571460 is an apocalyptic number.

28571460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28571460 is an abundant number, since it is smaller than the sum of its proper divisors (54014652).

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

28571460 is a wasteful number, since it uses less digits than its factorization.

28571460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15404 (or 15402 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 28571460 is about 5345.2277781213. The cubic root of 28571460 is about 305.7108208268.

The spelling of 28571460 in words is "twenty-eight million, five hundred seventy-one thousand, four hundred sixty".