84097480 has 32 divisors (see below), whose sum is σ = 189482040. Its totient is φ = 33592320.

The previous prime is 84097471. The next prime is 84097511. The reversal of 84097480 is 8479048.

It can be written as a sum of positive squares in 4 ways, for example, as 83942244 + 155236 = 9162^2 + 394^2 .

It is a super-2 number, since 2×84097480² = 14144772284700800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51070 + ... + 52690.

Almost surely, 2^84097480 is an apocalyptic number.

It is an amenable number.

84097480 is an abundant number, since it is smaller than the sum of its proper divisors (105384560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84097480 is a wasteful number, since it uses less digits than its factorization.

84097480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929 (or 2925 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 84097480 is about 9170.4678179469. The cubic root of 84097480 is about 438.1212594215.

The spelling of 84097480 in words is "eighty-four million, ninety-seven thousand, four hundred eighty".