874903649 has 4 divisors (see below), whose sum is σ = 875340720. Its totient is φ = 874466580.

The previous prime is 874903619. The next prime is 874903661. The reversal of 874903649 is 946309478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 874903649 - 2¹⁶ = 874838113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 874903597 and 874903606.

It is not an unprimeable number, because it can be changed into a prime (874903609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215519 + ... + 219540.

It is an arithmetic number, because the mean of its divisors is an integer number (218835180).

Almost surely, 2^874903649 is an apocalyptic number.

It is an amenable number.

874903649 is a deficient number, since it is larger than the sum of its proper divisors (437071).

874903649 is a wasteful number, since it uses less digits than its factorization.

874903649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437070.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 874903649 is about 29578.7702415094. The cubic root of 874903649 is about 956.4304828913.

The spelling of 874903649 in words is "eight hundred seventy-four million, nine hundred three thousand, six hundred forty-nine".