1534385884 has 12 divisors (see below), whose sum is σ = 2689898400. Its totient is φ = 765843488.

The previous prime is 1534385873. The next prime is 1534385903. The reversal of 1534385884 is 4885834351.

It is a happy number.

It is a super-2 number, since 2×1534385884² = 4708680082036922912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334804 + ... + 339355.

It is an arithmetic number, because the mean of its divisors is an integer number (224158200).

Almost surely, 2^1534385884 is an apocalyptic number.

It is an amenable number.

1534385884 is a deficient number, since it is larger than the sum of its proper divisors (1155512516).

1534385884 is a wasteful number, since it uses less digits than its factorization.

1534385884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674732 (or 674730 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 49.

The square root of 1534385884 is about 39171.2379686933. The cubic root of 1534385884 is about 1153.3953551984.

The spelling of 1534385884 in words is "one billion, five hundred thirty-four million, three hundred eighty-five thousand, eight hundred eighty-four".