1147396608 has 90 divisors (see below), whose sum is σ = 3318113799. Its totient is φ = 381699072.

The previous prime is 1147396597. The next prime is 1147396637. The reversal of 1147396608 is 8066937411.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

1147396608 is a `hidden beast` number, since 1 + 1 + 4 + 7 + 39 + 6 + 608 = 666.

It can be written as a sum of positive squares in only one way, i.e., 573698304 + 573698304 = 23952^2 + 23952^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=23952.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2299143 + ... + 2299641.

Almost surely, 2^1147396608 is an apocalyptic number.

1147396608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1147396608

1147396608 is an abundant number, since it is smaller than the sum of its proper divisors (2170717191).

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

1147396608 is an frugal number, since it uses more digits than its factorization.

1147396608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1147396608 is about 33873.2432459604. The cubic root of 1147396608 is about 1046.8983626158.

The spelling of 1147396608 in words is "one billion, one hundred forty-seven million, three hundred ninety-six thousand, six hundred eight".