28453710 has 16 divisors (see below), whose sum is σ = 68288976. Its totient is φ = 7587648.

The previous prime is 28453709. The next prime is 28453741. The reversal of 28453710 is 1735482.

It is a super-2 number, since 2×28453710² = 1619227225528200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 948457 = 28453710 / (2 + 8 + 4 + 5 + 3 + 7 + 1 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474199 + ... + 474258.

It is an arithmetic number, because the mean of its divisors is an integer number (4268061).

Almost surely, 2^28453710 is an apocalyptic number.

28453710 is an abundant number, since it is smaller than the sum of its proper divisors (39835266).

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

28453710 is a wasteful number, since it uses less digits than its factorization.

28453710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948467.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 28453710 is about 5334.2019084395. The cubic root of 28453710 is about 305.2902727912.

It can be divided in two parts, 2845 and 3710, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 28453710 in words is "twenty-eight million, four hundred fifty-three thousand, seven hundred ten".