1404672 has 72 divisors (see below), whose sum is σ = 3924480. Its totient is φ = 445440.

The previous prime is 1404671. The next prime is 1404709. The reversal of 1404672 is 2764041.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404671) 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, 23779 + ... + 23837.

2^1404672 is an apocalyptic number.

1404672 is a gapful number since it is divisible by the number (12) 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 1404672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1962240).

1404672 is an abundant number, since it is smaller than the sum of its proper divisors (2519808).

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

1404672 is an equidigital number, since it uses as much as digits as its factorization.

1404672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1404672 is about 1185.1885925877. The cubic root of 1404672 is about 111.9931968657.

The spelling of 1404672 in words is "one million, four hundred four thousand, six hundred seventy-two".