1397603232 has 108 divisors (see below), whose sum is σ = 4029995970. Its totient is φ = 459406080.

The previous prime is 1397603227. The next prime is 1397603279. The reversal of 1397603232 is 2323067931.

1397603232 is a `hidden beast` number, since 13 + 9 + 7 + 603 + 2 + 32 = 666.

1397603232 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1083463056 + 314140176 = 32916^2 + 17724^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6623607 + ... + 6623817.

Almost surely, 2^1397603232 is an apocalyptic number.

1397603232 is a gapful number since it is divisible by the number (12) 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 1397603232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2014997985).

1397603232 is an abundant number, since it is smaller than the sum of its proper divisors (2632392738).

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

1397603232 is a wasteful number, since it uses less digits than its factorization.

1397603232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 1397603232 is about 37384.5319885110. The cubic root of 1397603232 is about 1118.0501874652.

The spelling of 1397603232 in words is "one billion, three hundred ninety-seven million, six hundred three thousand, two hundred thirty-two".