84332457 has 12 divisors (see below), whose sum is σ = 132887664. Its totient is φ = 51110520.

The previous prime is 84332453. The next prime is 84332473. The reversal of 84332457 is 75423348.

It is a happy number.

It is not a de Polignac number, because 84332457 - 2² = 84332453 is a prime.

It is a super-2 number, since 2×84332457² = 14223926607313698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84332453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 425823 + ... + 426020.

It is an arithmetic number, because the mean of its divisors is an integer number (11073972).

Almost surely, 2^84332457 is an apocalyptic number.

It is an amenable number.

84332457 is a deficient number, since it is larger than the sum of its proper divisors (48555207).

84332457 is a wasteful number, since it uses less digits than its factorization.

84332457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851860 (or 851857 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 84332457 is about 9183.2704958528. The cubic root of 84332457 is about 438.5289319023.

The spelling of 84332457 in words is "eighty-four million, three hundred thirty-two thousand, four hundred fifty-seven".