1398956942 has 8 divisors (see below), whose sum is σ = 2138028696. Its totient is φ = 686280712.

The previous prime is 1398956893. The next prime is 1398956953. The reversal of 1398956942 is 2496598931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6598748 + ... + 6598959.

It is an arithmetic number, because the mean of its divisors is an integer number (267253587).

Almost surely, 2^1398956942 is an apocalyptic number.

1398956942 is a deficient number, since it is larger than the sum of its proper divisors (739071754).

1398956942 is a wasteful number, since it uses less digits than its factorization.

1398956942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13197762.

The product of its digits is 4199040, while the sum is 56.

The square root of 1398956942 is about 37402.6328217680. The cubic root of 1398956942 is about 1118.4110498537.

The spelling of 1398956942 in words is "one billion, three hundred ninety-eight million, nine hundred fifty-six thousand, nine hundred forty-two".