1153656984 has 16 divisors (see below), whose sum is σ = 2884142520. Its totient is φ = 384552320.

The previous prime is 1153656983. The next prime is 1153656997. The reversal of 1153656984 is 4896563511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153656983) 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, 24034497 + ... + 24034544.

Almost surely, 2^1153656984 is an apocalyptic number.

It is an amenable number.

1153656984 is an abundant number, since it is smaller than the sum of its proper divisors (1730485536).

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

1153656984 is a wasteful number, since it uses less digits than its factorization.

1153656984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48069050 (or 48069046 counting only the distinct ones).

The product of its digits is 777600, while the sum is 48.

The square root of 1153656984 is about 33965.5264054600. The cubic root of 1153656984 is about 1048.7989241407.

The spelling of 1153656984 in words is "one billion, one hundred fifty-three million, six hundred fifty-six thousand, nine hundred eighty-four".