874267849 has 24 divisors (see below), whose sum is σ = 1097202120. Its totient is φ = 690488064.

The previous prime is 874267847. The next prime is 874267861. The reversal of 874267849 is 948762478.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 50979600 + 823288249 = 7140^2 + 28693^2 .

It is not a de Polignac number, because 874267849 - 2¹ = 874267847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 874267849.

It is not an unprimeable number, because it can be changed into a prime (874267847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 542557 + ... + 544165.

It is an arithmetic number, because the mean of its divisors is an integer number (45716755).

Almost surely, 2^874267849 is an apocalyptic number.

It is an amenable number.

874267849 is a deficient number, since it is larger than the sum of its proper divisors (222934271).

874267849 is a wasteful number, since it uses less digits than its factorization.

874267849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489 (or 2482 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 55.

The square root of 874267849 is about 29568.0207149549. The cubic root of 874267849 is about 956.1987446633.

The spelling of 874267849 in words is "eight hundred seventy-four million, two hundred sixty-seven thousand, eight hundred forty-nine".