401554 has 16 divisors (see below), whose sum is σ = 635040. Its totient is φ = 190240.

The previous prime is 401551. The next prime is 401567. The reversal of 401554 is 455104.

It is a super-2 number, since 2×401554² = 322491229832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4797 + ... + 4879.

It is an arithmetic number, because the mean of its divisors is an integer number (39690).

2⁴⁰¹⁵⁵⁴ is an apocalyptic number.

401554 is a deficient number, since it is larger than the sum of its proper divisors (233486).

401554 is a wasteful number, since it uses less digits than its factorization.

401554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 401554 is about 633.6828859927. The cubic root of 401554 is about 73.7759230904.

Adding to 401554 its reverse (455104), we get a palindrome (856658).

The spelling of 401554 in words is "four hundred one thousand, five hundred fifty-four".