401744343 has 32 divisors (see below), whose sum is σ = 719212032. Its totient is φ = 192643200.

The previous prime is 401744339. The next prime is 401744347. The reversal of 401744343 is 343447104.

It is an interprime number because it is at equal distance from previous prime (401744339) and next prime (401744347).

It is not a de Polignac number, because 401744343 - 2² = 401744339 is a prime.

It is a super-2 number, since 2×401744343² = 322797034265003298, 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 401744343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401744347) 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 31 ways as a sum of consecutive naturals, for example, 63888 + ... + 69893.

It is an arithmetic number, because the mean of its divisors is an integer number (22475376).

Almost surely, 2^401744343 is an apocalyptic number.

401744343 is a deficient number, since it is larger than the sum of its proper divisors (317467689).

401744343 is a wasteful number, since it uses less digits than its factorization.

401744343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133815.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 401744343 is about 20043.5611356864. The cubic root of 401744343 is about 737.8757823703.

The spelling of 401744343 in words is "four hundred one million, seven hundred forty-four thousand, three hundred forty-three".