401604274 has 4 divisors (see below), whose sum is σ = 602406414. Its totient is φ = 200802136.

The previous prime is 401604271. The next prime is 401604289. The reversal of 401604274 is 472406104.

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

It can be written as a sum of positive squares in only one way, i.e., 378497025 + 23107249 = 19455^2 + 4807^2 .

It is a super-2 number, since 2×401604274² = 322571985790134152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401604271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100401067 + ... + 100401070.

Almost surely, 2^401604274 is an apocalyptic number.

401604274 is a deficient number, since it is larger than the sum of its proper divisors (200802140).

401604274 is a wasteful number, since it uses less digits than its factorization.

401604274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200802139.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 401604274 is about 20040.0667164558. The cubic root of 401604274 is about 737.7900184273.

The spelling of 401604274 in words is "four hundred one million, six hundred four thousand, two hundred seventy-four".