401274 has 20 divisors (see below), whose sum is σ = 899514. Its totient is φ = 133704.

The previous prime is 401243. The next prime is 401279. The reversal of 401274 is 472104.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 342225 + 59049 = 585^2 + 243^2 .

It is a super-2 number, since 2×401274² = 322041646152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (401279) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1077 + ... + 1400.

2⁴⁰¹²⁷⁴ is an apocalyptic number.

401274 is an abundant number, since it is smaller than the sum of its proper divisors (498240).

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

401274 is a wasteful number, since it uses less digits than its factorization.

401274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491 (or 2482 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 401274 is about 633.4619167716. The cubic root of 401274 is about 73.7587713402.

Adding to 401274 its reverse (472104), we get a palindrome (873378).

The spelling of 401274 in words is "four hundred one thousand, two hundred seventy-four", and thus it is an iban number.