234390169 has 8 divisors (see below), whose sum is σ = 267268680. Its totient is φ = 203632896.

The previous prime is 234390161. The next prime is 234390173. The reversal of 234390169 is 961093432.

234390169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9000000 + 225390169 = 3000^2 + 15013^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 234390169 - 2³ = 234390161 is a prime.

It is a super-2 number, since 2×234390169² = 109877502647697122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234390161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530074 + ... + 530515.

It is an arithmetic number, because the mean of its divisors is an integer number (33408585).

Almost surely, 2^234390169 is an apocalyptic number.

It is an amenable number.

234390169 is a deficient number, since it is larger than the sum of its proper divisors (32878511).

234390169 is a wasteful number, since it uses less digits than its factorization.

234390169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060619.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 234390169 is about 15309.8063018446. The cubic root of 234390169 is about 616.5663196187.

The spelling of 234390169 in words is "two hundred thirty-four million, three hundred ninety thousand, one hundred sixty-nine".