395749274 has 4 divisors (see below), whose sum is σ = 593623914. Its totient is φ = 197874636.

The previous prime is 395749267. The next prime is 395749313. The reversal of 395749274 is 472947593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 472947593 = 9629 ⋅49117.

It can be written as a sum of positive squares in only one way, i.e., 390655225 + 5094049 = 19765^2 + 2257^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 98937317 + ... + 98937320.

Almost surely, 2^395749274 is an apocalyptic number.

395749274 is a deficient number, since it is larger than the sum of its proper divisors (197874640).

395749274 is a wasteful number, since it uses less digits than its factorization.

395749274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197874639.

The product of its digits is 1905120, while the sum is 50.

The square root of 395749274 is about 19893.4480168723. The cubic root of 395749274 is about 734.1870314612.

The spelling of 395749274 in words is "three hundred ninety-five million, seven hundred forty-nine thousand, two hundred seventy-four".