1398200956 has 24 divisors (see below), whose sum is σ = 2577344000. Its totient is φ = 661865904.

The previous prime is 1398200917. The next prime is 1398200963. The reversal of 1398200956 is 6590028931.

It is a happy 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, 128455 + ... + 138913.

Almost surely, 2^1398200956 is an apocalyptic number.

It is an amenable number.

1398200956 is a deficient number, since it is larger than the sum of its proper divisors (1179143044).

1398200956 is a wasteful number, since it uses less digits than its factorization.

1398200956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12241 (or 12239 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 1398200956 is about 37392.5254028128. The cubic root of 1398200956 is about 1118.2095531963.

The spelling of 1398200956 in words is "one billion, three hundred ninety-eight million, two hundred thousand, nine hundred fifty-six".