884684649 has 16 divisors (see below), whose sum is σ = 1187813120. Its totient is φ = 585688320.

The previous prime is 884684629. The next prime is 884684677. The reversal of 884684649 is 946486488.

It is not a de Polignac number, because 884684649 - 2⁵ = 884684617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (884684629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272367 + ... + 275595.

It is an arithmetic number, because the mean of its divisors is an integer number (74238320).

Almost surely, 2^884684649 is an apocalyptic number.

It is an amenable number.

884684649 is a deficient number, since it is larger than the sum of its proper divisors (303128471).

884684649 is a wasteful number, since it uses less digits than its factorization.

884684649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840.

The product of its digits is 10616832, while the sum is 57.

The square root of 884684649 is about 29743.6488850981. The cubic root of 884684649 is about 959.9814265070.

The spelling of 884684649 in words is "eight hundred eighty-four million, six hundred eighty-four thousand, six hundred forty-nine".