1097207396 has 12 divisors (see below), whose sum is σ = 1966945260. Its totient is φ = 535223040.

The previous prime is 1097207369. The next prime is 1097207401. The reversal of 1097207396 is 6937027901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 421727296 + 675480100 = 20536^2 + 25990^2 .

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, 3344981 + ... + 3345308.

It is an arithmetic number, because the mean of its divisors is an integer number (163912105).

Almost surely, 2^1097207396 is an apocalyptic number.

It is an amenable number.

1097207396 is a deficient number, since it is larger than the sum of its proper divisors (869737864).

1097207396 is a wasteful number, since it uses less digits than its factorization.

1097207396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6690334 (or 6690332 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 1097207396 is about 33124.1210600372. The cubic root of 1097207396 is about 1031.4058146883.

The spelling of 1097207396 in words is "one billion, ninety-seven million, two hundred seven thousand, three hundred ninety-six".