1404172 has 48 divisors (see below), whose sum is σ = 3161088. Its totient is φ = 529920.

The previous prime is 1404163. The next prime is 1404181. The reversal of 1404172 is 2714041.

It is an interprime number because it is at equal distance from previous prime (1404163) and next prime (1404181).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14428 + ... + 14524.

It is an arithmetic number, because the mean of its divisors is an integer number (65856).

2^1404172 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 1404172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1580544).

1404172 is an abundant number, since it is smaller than the sum of its proper divisors (1756916).

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

1404172 is a wasteful number, since it uses less digits than its factorization.

1404172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1404172 is about 1184.9776369198. The cubic root of 1404172 is about 111.9799071098.

The spelling of 1404172 in words is "one million, four hundred four thousand, one hundred seventy-two".