254690 has 8 divisors (see below), whose sum is σ = 458460. Its totient is φ = 101872.

The previous prime is 254663. The next prime is 254699. The reversal of 254690 is 96452.

It can be written as a sum of positive squares in 2 ways, for example, as 253009 + 1681 = 503^2 + 41^2 .

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

It is a super-2 number, since 2×254690² = 129733992200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (254699) 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, 12725 + ... + 12744.

2²⁵⁴⁶⁹⁰ is an apocalyptic number.

254690 is a deficient number, since it is larger than the sum of its proper divisors (203770).

254690 is a wasteful number, since it uses less digits than its factorization.

254690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25476.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 254690 is about 504.6682078356. The cubic root of 254690 is about 63.3875497583.

The spelling of 254690 in words is "two hundred fifty-four thousand, six hundred ninety".