401343674 has 4 divisors (see below), whose sum is σ = 602015514. Its totient is φ = 200671836.

The previous prime is 401343671. The next prime is 401343689. The reversal of 401343674 is 476343104.

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., 237375649 + 163968025 = 15407^2 + 12805^2 .

It is a super-2 number, since 2×401343674² = 322153489319636552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401343674.

It is not an unprimeable number, because it can be changed into a prime (401343671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100335917 + ... + 100335920.

Almost surely, 2^401343674 is an apocalyptic number.

401343674 is a deficient number, since it is larger than the sum of its proper divisors (200671840).

401343674 is a wasteful number, since it uses less digits than its factorization.

401343674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200671839.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 401343674 is about 20033.5636869729. The cubic root of 401343674 is about 737.6304005367.

Adding to 401343674 its reverse (476343104), we get a palindrome (877686778).

The spelling of 401343674 in words is "four hundred one million, three hundred forty-three thousand, six hundred seventy-four".