28343670 has 32 divisors (see below), whose sum is σ = 68850432. Its totient is φ = 7466592.

The previous prime is 28343657. The next prime is 28343683. The reversal of 28343670 is 7634382.

It is an interprime number because it is at equal distance from previous prime (28343657) and next prime (28343683).

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, 3202 + ... + 8181.

It is an arithmetic number, because the mean of its divisors is an integer number (2151576).

Almost surely, 2^28343670 is an apocalyptic number.

28343670 is an abundant number, since it is smaller than the sum of its proper divisors (40506762).

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

28343670 is a wasteful number, since it uses less digits than its factorization.

28343670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11476.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 28343670 is about 5323.8773464459. The cubic root of 28343670 is about 304.8962112143.

The spelling of 28343670 in words is "twenty-eight million, three hundred forty-three thousand, six hundred seventy".