1214658998 has 16 divisors (see below), whose sum is σ = 2083432704. Its totient is φ = 520278120.

The previous prime is 1214658979. The next prime is 1214659001. The reversal of 1214658998 is 8998564121.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2903 + ... + 49373.

It is an arithmetic number, because the mean of its divisors is an integer number (130214544).

Almost surely, 2^1214658998 is an apocalyptic number.

1214658998 is a deficient number, since it is larger than the sum of its proper divisors (868773706).

1214658998 is a wasteful number, since it uses less digits than its factorization.

1214658998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48347.

The product of its digits is 1244160, while the sum is 53.

The square root of 1214658998 is about 34851.9583093978. The cubic root of 1214658998 is about 1066.9681542096.

The spelling of 1214658998 in words is "one billion, two hundred fourteen million, six hundred fifty-eight thousand, nine hundred ninety-eight".