84740988 has 48 divisors (see below), whose sum is σ = 220389120. Its totient is φ = 25185024.

The previous prime is 84740963. The next prime is 84741001. The reversal of 84740988 is 88904748.

It is a super-2 number, since 2×84740988² = 14362070094432288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7056 + ... + 14807.

It is an arithmetic number, because the mean of its divisors is an integer number (4591440).

Almost surely, 2^84740988 is an apocalyptic number.

It is an amenable number.

84740988 is an abundant number, since it is smaller than the sum of its proper divisors (135648132).

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

84740988 is a wasteful number, since it uses less digits than its factorization.

84740988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21906 (or 21904 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 84740988 is about 9205.4868420959. The cubic root of 84740988 is about 439.2359121733.

The spelling of 84740988 in words is "eighty-four million, seven hundred forty thousand, nine hundred eighty-eight".