404030 has 16 divisors (see below), whose sum is σ = 793584. Its totient is φ = 146880.

The previous prime is 404029. The next prime is 404051. The reversal of 404030 is 30404.

It is a Harshad number since it is a multiple of its sum of digits (11).

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, 1727 + ... + 1946.

It is an arithmetic number, because the mean of its divisors is an integer number (49599).

2⁴⁰⁴⁰³⁰ is an apocalyptic number.

404030 is a deficient number, since it is larger than the sum of its proper divisors (389554).

404030 is a wasteful number, since it uses less digits than its factorization.

404030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3691.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 404030 is about 635.6335422238. The cubic root of 404030 is about 73.9272477089.

Adding to 404030 its reverse (30404), we get a palindrome (434434).

The spelling of 404030 in words is "four hundred four thousand, thirty".