1421893104 has 40 divisors (see below), whose sum is σ = 3676526592. Its totient is φ = 473538240.

The previous prime is 1421893069. The next prime is 1421893111. The reversal of 1421893104 is 4013981241.

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, 43089 + ... + 68559.

Almost surely, 2^1421893104 is an apocalyptic number.

It is an amenable number.

1421893104 is an abundant number, since it is smaller than the sum of its proper divisors (2254633488).

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

1421893104 is a wasteful number, since it uses less digits than its factorization.

1421893104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26645 (or 26639 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1421893104 is about 37707.9978784342. The cubic root of 1421893104 is about 1124.4901337957.

The spelling of 1421893104 in words is "one billion, four hundred twenty-one million, eight hundred ninety-three thousand, one hundred four".