401799 has 8 divisors (see below), whose sum is σ = 544000. Its totient is φ = 263736.

The previous prime is 401773. The next prime is 401809. The reversal of 401799 is 997104.

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

It is not a de Polignac number, because 401799 - 2⁷ = 401671 is a prime.

It is a super-2 number, since 2×401799² = 322884872802, 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 (405799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799 + ... + 1200.

It is an arithmetic number, because the mean of its divisors is an integer number (68000).

2⁴⁰¹⁷⁹⁹ is an apocalyptic number.

401799 is a deficient number, since it is larger than the sum of its proper divisors (142201).

401799 is a wasteful number, since it uses less digits than its factorization.

401799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 401799 is about 633.8761708725. The cubic root of 401799 is about 73.7909243325.

The spelling of 401799 in words is "four hundred one thousand, seven hundred ninety-nine".