1421504984 has 8 divisors (see below), whose sum is σ = 2665321860. Its totient is φ = 710752488.

The previous prime is 1421504971. The next prime is 1421504993. The reversal of 1421504984 is 4894051241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88844054 + ... + 88844069.

Almost surely, 2^1421504984 is an apocalyptic number.

It is an amenable number.

1421504984 is a deficient number, since it is larger than the sum of its proper divisors (1243816876).

1421504984 is a wasteful number, since it uses less digits than its factorization.

1421504984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177688129 (or 177688125 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 1421504984 is about 37702.8511388728. The cubic root of 1421504984 is about 1124.3878108608.

The spelling of 1421504984 in words is "one billion, four hundred twenty-one million, five hundred four thousand, nine hundred eighty-four".