1404505396 has 48 divisors (see below), whose sum is σ = 2935296000. Its totient is φ = 574944480.

The previous prime is 1404505381. The next prime is 1404505397. The reversal of 1404505396 is 6935054041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404505397) 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, 701605 + ... + 703603.

It is an arithmetic number, because the mean of its divisors is an integer number (61152000).

Almost surely, 2^1404505396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404505396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1467648000).

1404505396 is an abundant number, since it is smaller than the sum of its proper divisors (1530790604).

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

1404505396 is a wasteful number, since it uses less digits than its factorization.

1404505396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124 (or 3122 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 1404505396 is about 37476.7313942932. The cubic root of 1404505396 is about 1119.8876896311.

The spelling of 1404505396 in words is "one billion, four hundred four million, five hundred five thousand, three hundred ninety-six".