28340582 has 8 divisors (see below), whose sum is σ = 42697200. Its totient is φ = 14108184.

The previous prime is 28340567. The next prime is 28340597. The reversal of 28340582 is 28504382.

It is an interprime number because it is at equal distance from previous prime (28340567) and next prime (28340597).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30482 + ... + 31397.

It is an arithmetic number, because the mean of its divisors is an integer number (5337150).

Almost surely, 2^28340582 is an apocalyptic number.

28340582 is a deficient number, since it is larger than the sum of its proper divisors (14356618).

28340582 is a wasteful number, since it uses less digits than its factorization.

28340582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62110.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 28340582 is about 5323.5873243519. The cubic root of 28340582 is about 304.8851381517.

The spelling of 28340582 in words is "twenty-eight million, three hundred forty thousand, five hundred eighty-two".