84576040 has 32 divisors (see below), whose sum is σ = 191279880. Its totient is φ = 33655552.

The previous prime is 84576017. The next prime is 84576053. The reversal of 84576040 is 4067548.

It can be written as a sum of positive squares in 4 ways, for example, as 72284004 + 12292036 = 8502^2 + 3506^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84575987 and 84576005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2514 + ... + 13246.

Almost surely, 2^84576040 is an apocalyptic number.

It is an amenable number.

84576040 is an abundant number, since it is smaller than the sum of its proper divisors (106703840).

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

84576040 is a wasteful number, since it uses less digits than its factorization.

84576040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10941 (or 10937 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 84576040 is about 9196.5232561006. The cubic root of 84576040 is about 438.9507367368.

The spelling of 84576040 in words is "eighty-four million, five hundred seventy-six thousand, forty".