1098974312 has 8 divisors (see below), whose sum is σ = 2060576850. Its totient is φ = 549487152.

The previous prime is 1098974309. The next prime is 1098974329. The reversal of 1098974312 is 2134798901.

It can be written as a sum of positive squares in only one way, i.e., 847624996 + 251349316 = 29114^2 + 15854^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68685887 + ... + 68685902.

Almost surely, 2^1098974312 is an apocalyptic number.

It is an amenable number.

1098974312 is a deficient number, since it is larger than the sum of its proper divisors (961602538).

1098974312 is a wasteful number, since it uses less digits than its factorization.

1098974312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137371795 (or 137371791 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1098974312 is about 33150.7814689186. The cubic root of 1098974312 is about 1031.9591680057.

The spelling of 1098974312 in words is "one billion, ninety-eight million, nine hundred seventy-four thousand, three hundred twelve".