169204940 has 12 divisors (see below), whose sum is σ = 355330416. Its totient is φ = 67681968.

The previous prime is 169204907. The next prime is 169205011. The reversal of 169204940 is 49402961.

169204940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 169204940.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4230104 + ... + 4230143.

It is an arithmetic number, because the mean of its divisors is an integer number (29610868).

Almost surely, 2^169204940 is an apocalyptic number.

169204940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

169204940 is an abundant number, since it is smaller than the sum of its proper divisors (186125476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169204940 is a wasteful number, since it uses less digits than its factorization.

169204940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8460256 (or 8460254 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 169204940 is about 13007.8799194950. The cubic root of 169204940 is about 553.1008757287.

The spelling of 169204940 in words is "one hundred sixty-nine million, two hundred four thousand, nine hundred forty".