934168409 has 4 divisors (see below), whose sum is σ = 934832820. Its totient is φ = 933504000.

The previous prime is 934168379. The next prime is 934168511. The reversal of 934168409 is 904861439.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 904861439 = 20047 ⋅45137.

It can be written as a sum of positive squares in 2 ways, for example, as 318979600 + 615188809 = 17860^2 + 24803^2 .

It is a cyclic number.

It is not a de Polignac number, because 934168409 - 2⁸ = 934168153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 934168409.

It is not an unprimeable number, because it can be changed into a prime (934168009) 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, 330092 + ... + 332909.

It is an arithmetic number, because the mean of its divisors is an integer number (233708205).

Almost surely, 2^934168409 is an apocalyptic number.

It is an amenable number.

934168409 is a deficient number, since it is larger than the sum of its proper divisors (664411).

934168409 is a wasteful number, since it uses less digits than its factorization.

934168409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664410.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 934168409 is about 30564.1687110904. The cubic root of 934168409 is about 977.5561797718.

The spelling of 934168409 in words is "nine hundred thirty-four million, one hundred sixty-eight thousand, four hundred nine".