986946840 has 96 divisors (see below), whose sum is σ = 3499189200. Its totient is φ = 239258880.

The previous prime is 986946833. The next prime is 986946889. The reversal of 986946840 is 48649689.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120655 + ... + 128574.

Almost surely, 2^986946840 is an apocalyptic number.

986946840 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

986946840 is an abundant number, since it is smaller than the sum of its proper divisors (2512242360).

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

986946840 is a wasteful number, since it uses less digits than its factorization.

986946840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249257 (or 249250 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 986946840 is about 31415.7100826959. The cubic root of 986946840 is about 995.6298765075.

The spelling of 986946840 in words is "nine hundred eighty-six million, nine hundred forty-six thousand, eight hundred forty".