84089925 has 36 divisors (see below), whose sum is σ = 151197540. Its totient is φ = 44674560.

The previous prime is 84089917. The next prime is 84089947. The reversal of 84089925 is 52998048.

It can be written as a sum of positive squares in 6 ways, for example, as 26071236 + 58018689 = 5106^2 + 7617^2 .

It is not a de Polignac number, because 84089925 - 2³ = 84089917 is a prime.

It is a super-2 number, since 2×84089925² = 14142230973011250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 75271 + ... + 76379.

Almost surely, 2^84089925 is an apocalyptic number.

It is an amenable number.

84089925 is a deficient number, since it is larger than the sum of its proper divisors (67107615).

84089925 is a wasteful number, since it uses less digits than its factorization.

84089925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 84089925 is about 9170.0558885974. The cubic root of 84089925 is about 438.1081393088.

The spelling of 84089925 in words is "eighty-four million, eighty-nine thousand, nine hundred twenty-five".