1097418399 has 16 divisors (see below), whose sum is σ = 1824280320. Its totient is φ = 570087360.

The previous prime is 1097418379. The next prime is 1097418433. The reversal of 1097418399 is 9938147901.

It is a happy number.

It is not a de Polignac number, because 1097418399 - 2²⁰ = 1096369823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097418379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2375134 + ... + 2375595.

It is an arithmetic number, because the mean of its divisors is an integer number (114017520).

Almost surely, 2^1097418399 is an apocalyptic number.

1097418399 is a deficient number, since it is larger than the sum of its proper divisors (726861921).

1097418399 is a wasteful number, since it uses less digits than its factorization.

1097418399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4750750.

The product of its (nonzero) digits is 489888, while the sum is 51.

The square root of 1097418399 is about 33127.3059423793. The cubic root of 1097418399 is about 1031.4719267022.

The spelling of 1097418399 in words is "one billion, ninety-seven million, four hundred eighteen thousand, three hundred ninety-nine".