401862 has 8 divisors (see below), whose sum is σ = 803736. Its totient is φ = 133952.

The previous prime is 401861. The next prime is 401867. The reversal of 401862 is 268104.

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

401862 is an admirable number.

It is a super-2 number, since 2×401862² = 322986134088, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33483 + ... + 33494.

It is an arithmetic number, because the mean of its divisors is an integer number (100467).

2⁴⁰¹⁸⁶² is an apocalyptic number.

401862 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

401862 is a wasteful number, since it uses less digits than its factorization.

401862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66982.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 401862 is about 633.9258631733. The cubic root of 401862 is about 73.7947808091.

Adding to 401862 its reverse (268104), we get a palindrome (669966).

The spelling of 401862 in words is "four hundred one thousand, eight hundred sixty-two".