84149925 has 48 divisors (see below), whose sum is σ = 144365760. Its totient is φ = 43223040.

The previous prime is 84149899. The next prime is 84149941. The reversal of 84149925 is 52994148.

It is not a de Polignac number, because 84149925 - 2¹⁰ = 84148901 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 312691 + ... + 312959.

It is an arithmetic number, because the mean of its divisors is an integer number (3007620).

Almost surely, 2^84149925 is an apocalyptic number.

It is an amenable number.

84149925 is a deficient number, since it is larger than the sum of its proper divisors (60215835).

84149925 is a wasteful number, since it uses less digits than its factorization.

84149925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 417 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 84149925 is about 9173.3268229144. The cubic root of 84149925 is about 438.2123144477.

The spelling of 84149925 in words is "eighty-four million, one hundred forty-nine thousand, nine hundred twenty-five".