401830 has 32 divisors (see below), whose sum is σ = 852768. Its totient is φ = 134400.

The previous prime is 401827. The next prime is 401839. The reversal of 401830 is 38104.

It is a super-2 number, since 2×401830² = 322934697800, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1290 + ... + 1570.

It is an arithmetic number, because the mean of its divisors is an integer number (26649).

2⁴⁰¹⁸³⁰ is an apocalyptic number.

401830 is an abundant number, since it is smaller than the sum of its proper divisors (450938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401830 is a wasteful number, since it uses less digits than its factorization.

401830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 401830 is about 633.9006231264. The cubic root of 401830 is about 73.7928220142.

Adding to 401830 its reverse (38104), we get a palindrome (439934).

The spelling of 401830 in words is "four hundred one thousand, eight hundred thirty".