1398761424 has 60 divisors (see below), whose sum is σ = 3952636896. Its totient is φ = 461722176.

The previous prime is 1398761417. The next prime is 1398761443. The reversal of 1398761424 is 4241678931.

1398761424 is a `hidden beast` number, since 1 + 3 + 9 + 8 + 7 + 614 + 24 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1398761424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32322 + ... + 61985.

Almost surely, 2^1398761424 is an apocalyptic number.

It is an amenable number.

1398761424 is an abundant number, since it is smaller than the sum of its proper divisors (2553875472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1398761424 is a wasteful number, since it uses less digits than its factorization.

1398761424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94424 (or 94415 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 1398761424 is about 37400.0190374283. The cubic root of 1398761424 is about 1118.3589444427.

The spelling of 1398761424 in words is "one billion, three hundred ninety-eight million, seven hundred sixty-one thousand, four hundred twenty-four".