254689028 has 72 divisors (see below), whose sum is σ = 518023296. Its totient is φ = 109267840.

The previous prime is 254689013. The next prime is 254689033. The reversal of 254689028 is 820986452.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a self number, because there is not a number n which added to its sum of digits gives 254689028.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1525001 + ... + 1525167.

It is an arithmetic number, because the mean of its divisors is an integer number (7194768).

Almost surely, 2^254689028 is an apocalyptic number.

It is an amenable number.

254689028 is an abundant number, since it is smaller than the sum of its proper divisors (263334268).

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

254689028 is a wasteful number, since it uses less digits than its factorization.

254689028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 254689028 is about 15958.9795413115. The cubic root of 254689028 is about 633.8746912068.

The spelling of 254689028 in words is "two hundred fifty-four million, six hundred eighty-nine thousand, twenty-eight".