404234292 has 144 divisors (see below), whose sum is σ = 1230792192. Its totient is φ = 100309440.

The previous prime is 404234261. The next prime is 404234317. The reversal of 404234292 is 292432404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 488383 + ... + 489209.

It is an arithmetic number, because the mean of its divisors is an integer number (8547168).

Almost surely, 2^404234292 is an apocalyptic number.

404234292 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404234292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615396096).

404234292 is an abundant number, since it is smaller than the sum of its proper divisors (826557900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404234292 is a wasteful number, since it uses less digits than its factorization.

404234292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 404234292 is about 20105.5786288284. The cubic root of 404234292 is about 739.3970569514.

Adding to 404234292 its reverse (292432404), we get a palindrome (696666696).

The spelling of 404234292 in words is "four hundred four million, two hundred thirty-four thousand, two hundred ninety-two".