401344726 has 8 divisors (see below), whose sum is σ = 613376064. Its totient is φ = 196886040.

The previous prime is 401344663. The next prime is 401344763. The reversal of 401344726 is 627443104.

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

It is a super-2 number, since 2×401344726² = 322155178176030152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1893030 + ... + 1893241.

It is an arithmetic number, because the mean of its divisors is an integer number (76672008).

Almost surely, 2^401344726 is an apocalyptic number.

401344726 is a deficient number, since it is larger than the sum of its proper divisors (212031338).

401344726 is a wasteful number, since it uses less digits than its factorization.

401344726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786326.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 401344726 is about 20033.5899428934. The cubic root of 401344726 is about 737.6310450272.

The spelling of 401344726 in words is "four hundred one million, three hundred forty-four thousand, seven hundred twenty-six".