254732438 has 4 divisors (see below), whose sum is σ = 382098660. Its totient is φ = 127366218.

The previous prime is 254732431. The next prime is 254732453. The reversal of 254732438 is 834237452.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×254732438² = 129777229938847688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254732431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63683108 + ... + 63683111.

It is an arithmetic number, because the mean of its divisors is an integer number (95524665).

Almost surely, 2^254732438 is an apocalyptic number.

254732438 is a deficient number, since it is larger than the sum of its proper divisors (127366222).

254732438 is a wasteful number, since it uses less digits than its factorization.

254732438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127366221.

The product of its digits is 161280, while the sum is 38.

The square root of 254732438 is about 15960.3395327292. The cubic root of 254732438 is about 633.9107023605.

The spelling of 254732438 in words is "two hundred fifty-four million, seven hundred thirty-two thousand, four hundred thirty-eight".