401534 has 32 divisors (see below), whose sum is σ = 760320. Its totient is φ = 155232.

The previous prime is 401519. The next prime is 401537. The reversal of 401534 is 435104.

It is a super-2 number, since 2×401534² = 322459106312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401537) 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, 9317 + ... + 9359.

It is an arithmetic number, because the mean of its divisors is an integer number (23760).

2⁴⁰¹⁵³⁴ is an apocalyptic number.

401534 is a deficient number, since it is larger than the sum of its proper divisors (358786).

401534 is a wasteful number, since it uses less digits than its factorization.

401534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 401534 is about 633.6671050323. The cubic root of 401534 is about 73.7746982298.

Adding to 401534 its reverse (435104), we get a palindrome (836638).

The spelling of 401534 in words is "four hundred one thousand, five hundred thirty-four".