274398947 has 8 divisors (see below), whose sum is σ = 286778400. Its totient is φ = 262056960.

The previous prime is 274398941. The next prime is 274398979. The reversal of 274398947 is 749893472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 274398947 - 2¹⁰ = 274397923 is a prime.

It is a super-2 number, since 2×274398947² = 150589564229417618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274398941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6179 + ... + 24227.

It is an arithmetic number, because the mean of its divisors is an integer number (35847300).

Almost surely, 2^274398947 is an apocalyptic number.

274398947 is a deficient number, since it is larger than the sum of its proper divisors (12379453).

274398947 is a wasteful number, since it uses less digits than its factorization.

274398947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18733.

The product of its digits is 3048192, while the sum is 53.

The square root of 274398947 is about 16564.9916088116. The cubic root of 274398947 is about 649.8216054814.

The spelling of 274398947 in words is "two hundred seventy-four million, three hundred ninety-eight thousand, nine hundred forty-seven".