1098273297 has 16 divisors (see below), whose sum is σ = 1652575680. Its totient is φ = 642667200.

The previous prime is 1098273271. The next prime is 1098273311. The reversal of 1098273297 is 7923728901.

It is not a de Polignac number, because 1098273297 - 2⁸ = 1098273041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1098273217) 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, 572854 + ... + 574767.

It is an arithmetic number, because the mean of its divisors is an integer number (103285980).

Almost surely, 2^1098273297 is an apocalyptic number.

It is an amenable number.

1098273297 is a deficient number, since it is larger than the sum of its proper divisors (554302383).

1098273297 is a wasteful number, since it uses less digits than its factorization.

1098273297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147664.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 1098273297 is about 33140.2066529465. The cubic root of 1098273297 is about 1031.7396988997.

The spelling of 1098273297 in words is "one billion, ninety-eight million, two hundred seventy-three thousand, two hundred ninety-seven".