1890009364 has 48 divisors (see below), whose sum is σ = 3468326400. Its totient is φ = 900144000.

The previous prime is 1890009353. The next prime is 1890009379. The reversal of 1890009364 is 4639000981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2867667 + ... + 2868325.

It is an arithmetic number, because the mean of its divisors is an integer number (72256800).

Almost surely, 2^1890009364 is an apocalyptic number.

It is an amenable number.

1890009364 is a deficient number, since it is larger than the sum of its proper divisors (1578317036).

1890009364 is a wasteful number, since it uses less digits than its factorization.

1890009364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1890009364 is about 43474.2379346665. The cubic root of 1890009364 is about 1236.3876318289.

The spelling of 1890009364 in words is "one billion, eight hundred ninety million, nine thousand, three hundred sixty-four".