874835309 has 4 divisors (see below), whose sum is σ = 881723904. Its totient is φ = 867946716.

The previous prime is 874835293. The next prime is 874835347. The reversal of 874835309 is 903538478.

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, and also an emirpimes, since its reverse is a distinct semiprime: 903538478 = 2 ⋅451769239.

It is a cyclic number.

It is not a de Polignac number, because 874835309 - 2⁴ = 874835293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874835359) 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, 3444107 + ... + 3444360.

It is an arithmetic number, because the mean of its divisors is an integer number (220430976).

Almost surely, 2^874835309 is an apocalyptic number.

It is an amenable number.

874835309 is a deficient number, since it is larger than the sum of its proper divisors (6888595).

874835309 is a wasteful number, since it uses less digits than its factorization.

874835309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6888594.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 874835309 is about 29577.6149985086. The cubic root of 874835309 is about 956.4055795163.

The spelling of 874835309 in words is "eight hundred seventy-four million, eight hundred thirty-five thousand, three hundred nine".