28514434 has 32 divisors (see below), whose sum is σ = 49279104. Its totient is φ = 12270720.

The previous prime is 28514429. The next prime is 28514441. The reversal of 28514434 is 43441582.

It is a junction number, because it is equal to n+sod(n) for n = 28514396 and 28514405.

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, 23937 + ... + 25099.

It is an arithmetic number, because the mean of its divisors is an integer number (1539972).

Almost surely, 2^28514434 is an apocalyptic number.

28514434 is a deficient number, since it is larger than the sum of its proper divisors (20764670).

28514434 is a wasteful number, since it uses less digits than its factorization.

28514434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242.

The product of its digits is 15360, while the sum is 31.

The square root of 28514434 is about 5339.8908228540. The cubic root of 28514434 is about 305.5072951561.

The spelling of 28514434 in words is "twenty-eight million, five hundred fourteen thousand, four hundred thirty-four".