1398951424 has 80 divisors (see below), whose sum is σ = 3056085648. Its totient is φ = 635830272.

The previous prime is 1398951397. The next prime is 1398951431. The reversal of 1398951424 is 4241598931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444384 + ... + 447520.

Almost surely, 2^1398951424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1398951424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1528042824).

1398951424 is an abundant number, since it is smaller than the sum of its proper divisors (1657134224).

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

1398951424 is an equidigital number, since it uses as much as digits as its factorization.

1398951424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235 (or 3219 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The square root of 1398951424 is about 37402.5590568346. The cubic root of 1398951424 is about 1118.4095793771.

The spelling of 1398951424 in words is "one billion, three hundred ninety-eight million, nine hundred fifty-one thousand, four hundred twenty-four".