1097391332 has 12 divisors (see below), whose sum is σ = 1921605420. Its totient is φ = 548361216.

The previous prime is 1097391329. The next prime is 1097391353. The reversal of 1097391332 is 2331937901.

It can be written as a sum of positive squares in 2 ways, for example, as 160174336 + 937216996 = 12656^2 + 30614^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76157 + ... + 89412.

It is an arithmetic number, because the mean of its divisors is an integer number (160133785).

Almost surely, 2^1097391332 is an apocalyptic number.

It is an amenable number.

1097391332 is a deficient number, since it is larger than the sum of its proper divisors (824214088).

1097391332 is a wasteful number, since it uses less digits than its factorization.

1097391332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167230 (or 167228 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 1097391332 is about 33126.8974098088. The cubic root of 1097391332 is about 1031.4634464726.

The spelling of 1097391332 in words is "one billion, ninety-seven million, three hundred ninety-one thousand, three hundred thirty-two".