84820460 has 12 divisors (see below), whose sum is σ = 178123008. Its totient is φ = 33928176.

The previous prime is 84820453. The next prime is 84820493. The reversal of 84820460 is 6402848.

It is a super-2 number, since 2×84820460² = 14389020869223200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2120492 + ... + 2120531.

It is an arithmetic number, because the mean of its divisors is an integer number (14843584).

Almost surely, 2^84820460 is an apocalyptic number.

It is an amenable number.

84820460 is an abundant number, since it is smaller than the sum of its proper divisors (93302548).

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

84820460 is a wasteful number, since it uses less digits than its factorization.

84820460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241032 (or 4241030 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 84820460 is about 9209.8023865879. The cubic root of 84820460 is about 439.3731777034.

The spelling of 84820460 in words is "eighty-four million, eight hundred twenty thousand, four hundred sixty".