274898399 has 4 divisors (see below), whose sum is σ = 281603280. Its totient is φ = 268193520.

The previous prime is 274898357. The next prime is 274898411. The reversal of 274898399 is 993898472.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274898399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274891399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3352379 + ... + 3352460.

It is an arithmetic number, because the mean of its divisors is an integer number (70400820).

Almost surely, 2^274898399 is an apocalyptic number.

274898399 is a deficient number, since it is larger than the sum of its proper divisors (6704881).

274898399 is an equidigital number, since it uses as much as digits as its factorization.

274898399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6704880.

The product of its digits is 7838208, while the sum is 59.

The square root of 274898399 is about 16580.0602833645. The cubic root of 274898399 is about 650.2156278690.

The spelling of 274898399 in words is "two hundred seventy-four million, eight hundred ninety-eight thousand, three hundred ninety-nine".