401699343 has 8 divisors (see below), whose sum is σ = 550074928. Its totient is φ = 260561664.

The previous prime is 401699339. The next prime is 401699357. The reversal of 401699343 is 343996104.

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

It is not a de Polignac number, because 401699343 - 2² = 401699339 is a prime.

It is a super-2 number, since 2×401699343² = 322724724333263298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401699303) 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 7 ways as a sum of consecutive naturals, for example, 1809346 + ... + 1809567.

It is an arithmetic number, because the mean of its divisors is an integer number (68759366).

Almost surely, 2^401699343 is an apocalyptic number.

401699343 is a deficient number, since it is larger than the sum of its proper divisors (148375585).

401699343 is a wasteful number, since it uses less digits than its factorization.

401699343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618953.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 401699343 is about 20042.4385492385. The cubic root of 401699343 is about 737.8482311422.

The spelling of 401699343 in words is "four hundred one million, six hundred ninety-nine thousand, three hundred forty-three".