401338 has 16 divisors (see below), whose sum is σ = 696960. Its totient is φ = 169776.

The previous prime is 401329. The next prime is 401341. The reversal of 401338 is 833104.

It is a super-2 number, since 2×401338² = 322144380488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1395 + ... + 1657.

It is an arithmetic number, because the mean of its divisors is an integer number (43560).

2⁴⁰¹³³⁸ is an apocalyptic number.

401338 is a deficient number, since it is larger than the sum of its proper divisors (295622).

401338 is a wasteful number, since it uses less digits than its factorization.

401338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 401338 is about 633.5124308173. The cubic root of 401338 is about 73.7626924435.

It can be divided in two parts, 40 and 1338, that added together give a triangular number (1378 = T₅₂).

The spelling of 401338 in words is "four hundred one thousand, three hundred thirty-eight".