1404252 has 36 divisors (see below), whose sum is σ = 3738280. Its totient is φ = 443232.

The previous prime is 1404229. The next prime is 1404257. The reversal of 1404252 is 2524041.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×1404252³ = 8307233312372553024, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343 + ... + 1710.

2^1404252 is an apocalyptic number.

1404252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1404252 is an abundant number, since it is smaller than the sum of its proper divisors (2334028).

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

1404252 is a wasteful number, since it uses less digits than its factorization.

1404252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082 (or 2077 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1404252 is about 1185.0113923503. The cubic root of 1404252 is about 111.9820336827.

Adding to 1404252 its reverse (2524041), we get a palindrome (3928293).

The spelling of 1404252 in words is "one million, four hundred four thousand, two hundred fifty-two".