401734 has 4 divisors (see below), whose sum is σ = 602604. Its totient is φ = 200866.

The previous prime is 401711. The next prime is 401743. The reversal of 401734 is 437104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×401734² = 322780413512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100432 + ... + 100435.

It is an arithmetic number, because the mean of its divisors is an integer number (150651).

2⁴⁰¹⁷³⁴ is an apocalyptic number.

401734 is a deficient number, since it is larger than the sum of its proper divisors (200870).

401734 is a wasteful number, since it uses less digits than its factorization.

401734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200869.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 401734 is about 633.8248969550. The cubic root of 401734 is about 73.7869450056.

Adding to 401734 its reverse (437104), we get a palindrome (838838).

The spelling of 401734 in words is "four hundred one thousand, seven hundred thirty-four".