274898400 has 144 divisors (see below), whose sum is σ = 1022684544. Its totient is φ = 62830080.

The previous prime is 274898357. The next prime is 274898411. The reversal of 274898400 is 4898472.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 8619 + ... + 24981.

It is an arithmetic number, because the mean of its divisors is an integer number (7101976).

Almost surely, 2^274898400 is an apocalyptic number.

274898400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274898400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511342272).

274898400 is an abundant number, since it is smaller than the sum of its proper divisors (747786144).

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

274898400 is a wasteful number, since it uses less digits than its factorization.

274898400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16393 (or 16380 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 274898400 is about 16580.0603135212. The cubic root of 274898400 is about 650.2156286575.

The spelling of 274898400 in words is "two hundred seventy-four million, eight hundred ninety-eight thousand, four hundred".