611385984 has 96 divisors (see below), whose sum is σ = 1919305440. Its totient is φ = 185264640.

The previous prime is 611385967. The next prime is 611386003. The reversal of 611385984 is 489583116.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11452 + ... + 36795.

It is an arithmetic number, because the mean of its divisors is an integer number (19992765).

Almost surely, 2^611385984 is an apocalyptic number.

611385984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

611385984 is an abundant number, since it is smaller than the sum of its proper divisors (1307919456).

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

611385984 is a wasteful number, since it uses less digits than its factorization.

611385984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48278 (or 48263 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 611385984 is about 24726.2205765459. The cubic root of 611385984 is about 848.7344414528.

The spelling of 611385984 in words is "six hundred eleven million, three hundred eighty-five thousand, nine hundred eighty-four".