2391455984 has 20 divisors (see below), whose sum is σ = 4659050760. Its totient is φ = 1189120320.

The previous prime is 2391455953. The next prime is 2391455987. The reversal of 2391455984 is 4895541932.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391455987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409994 + ... + 415785.

It is an arithmetic number, because the mean of its divisors is an integer number (232952538).

Almost surely, 2^2391455984 is an apocalyptic number.

It is an amenable number.

2391455984 is a deficient number, since it is larger than the sum of its proper divisors (2267594776).

2391455984 is a wasteful number, since it uses less digits than its factorization.

2391455984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825968 (or 825962 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 50.

The square root of 2391455984 is about 48902.5151091434. The cubic root of 2391455984 is about 1337.2752205482.

The spelling of 2391455984 in words is "two billion, three hundred ninety-one million, four hundred fifty-five thousand, nine hundred eighty-four".