254487394 has 16 divisors (see below), whose sum is σ = 438008256. Its totient is φ = 108630000.

The previous prime is 254487391. The next prime is 254487403. The reversal of 254487394 is 493784452.

It is a happy number.

It is a super-2 number, since 2×254487394² = 129527667409822472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (254487391) 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, 32697 + ... + 39724.

It is an arithmetic number, because the mean of its divisors is an integer number (27375516).

Almost surely, 2^254487394 is an apocalyptic number.

254487394 is a deficient number, since it is larger than the sum of its proper divisors (183520862).

254487394 is a wasteful number, since it uses less digits than its factorization.

254487394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72681.

The product of its digits is 967680, while the sum is 46.

The square root of 254487394 is about 15952.6610319407. The cubic root of 254487394 is about 633.7073702534.

The spelling of 254487394 in words is "two hundred fifty-four million, four hundred eighty-seven thousand, three hundred ninety-four".