1018399996 has 6 divisors (see below), whose sum is σ = 1782200000. Its totient is φ = 509199996.

The previous prime is 1018399973. The next prime is 1018399997. The reversal of 1018399996 is 6999938101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018399997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127299996 + ... + 127300003.

Almost surely, 2^1018399996 is an apocalyptic number.

It is an amenable number.

1018399996 is a deficient number, since it is larger than the sum of its proper divisors (763800004).

1018399996 is a wasteful number, since it uses less digits than its factorization.

1018399996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254600003 (or 254600001 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 55.

The square root of 1018399996 is about 31912.3799801895. The cubic root of 1018399996 is about 1006.0960941214.

The spelling of 1018399996 in words is "one billion, eighteen million, three hundred ninety-nine thousand, nine hundred ninety-six".