874220929 has 4 divisors (see below), whose sum is σ = 874423620. Its totient is φ = 874018240.

The previous prime is 874220927. The next prime is 874220933. The reversal of 874220929 is 929022478.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 526473025 + 347747904 = 22945^2 + 18648^2 .

It is a cyclic number.

It is not a de Polignac number, because 874220929 - 2¹ = 874220927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (874220927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94732 + ... + 103549.

It is an arithmetic number, because the mean of its divisors is an integer number (218605905).

Almost surely, 2^874220929 is an apocalyptic number.

It is an amenable number.

874220929 is a deficient number, since it is larger than the sum of its proper divisors (202691).

874220929 is a wasteful number, since it uses less digits than its factorization.

874220929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202690.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 874220929 is about 29567.2272795404. The cubic root of 874220929 is about 956.1816386746.

The spelling of 874220929 in words is "eight hundred seventy-four million, two hundred twenty thousand, nine hundred twenty-nine".