1398532616 has 32 divisors (see below), whose sum is σ = 2825504640. Its totient is φ = 645123648.

The previous prime is 1398532609. The next prime is 1398532631. The reversal of 1398532616 is 6162358931.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352355 + ... + 356301.

It is an arithmetic number, because the mean of its divisors is an integer number (88297020).

Almost surely, 2^1398532616 is an apocalyptic number.

It is an amenable number.

1398532616 is an abundant number, since it is smaller than the sum of its proper divisors (1426972024).

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

1398532616 is a wasteful number, since it uses less digits than its factorization.

1398532616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7373 (or 7369 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 1398532616 is about 37396.9599833997. The cubic root of 1398532616 is about 1118.2979611034.

The spelling of 1398532616 in words is "one billion, three hundred ninety-eight million, five hundred thirty-two thousand, six hundred sixteen".