84961380 has 48 divisors (see below), whose sum is σ = 271877760. Its totient is φ = 19419648.

The previous prime is 84961367. The next prime is 84961391. The reversal of 84961380 is 8316948.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100725 + ... + 101564.

It is an arithmetic number, because the mean of its divisors is an integer number (5664120).

Almost surely, 2^84961380 is an apocalyptic number.

It is an amenable number.

84961380 is an abundant number, since it is smaller than the sum of its proper divisors (186916380).

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

84961380 is a wasteful number, since it uses less digits than its factorization.

84961380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202308 (or 202306 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 84961380 is about 9217.4497557622. The cubic root of 84961380 is about 439.6163667116.

The spelling of 84961380 in words is "eighty-four million, nine hundred sixty-one thousand, three hundred eighty".