254721296 has 80 divisors (see below), whose sum is σ = 542822400. Its totient is φ = 115344000.

The previous prime is 254721281. The next prime is 254721329. The reversal of 254721296 is 692127452.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1422935 + ... + 1423113.

It is an arithmetic number, because the mean of its divisors is an integer number (6785280).

Almost surely, 2^254721296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 254721296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271411200).

254721296 is an abundant number, since it is smaller than the sum of its proper divisors (288101104).

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

254721296 is a wasteful number, since it uses less digits than its factorization.

254721296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 382 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 254721296 is about 15959.9904761876. The cubic root of 254721296 is about 633.9014598051.

The spelling of 254721296 in words is "two hundred fifty-four million, seven hundred twenty-one thousand, two hundred ninety-six".