84440252 has 24 divisors (see below), whose sum is σ = 160166496. Its totient is φ = 38720448.

The previous prime is 84440243. The next prime is 84440273. The reversal of 84440252 is 25204448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2993 + ... + 13335.

It is an arithmetic number, because the mean of its divisors is an integer number (6673604).

Almost surely, 2^84440252 is an apocalyptic number.

It is an amenable number.

84440252 is a deficient number, since it is larger than the sum of its proper divisors (75726244).

84440252 is a wasteful number, since it uses less digits than its factorization.

84440252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10517 (or 10515 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 84440252 is about 9189.1377179799. The cubic root of 84440252 is about 438.7156970825.

The spelling of 84440252 in words is "eighty-four million, four hundred forty thousand, two hundred fifty-two".