1404546 has 32 divisors (see below), whose sum is σ = 3302208. Its totient is φ = 392640.

The previous prime is 1404539. The next prime is 1404547. The reversal of 1404546 is 6454041.

It is a super-2 number, since 2×1404546² = 3945498932232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404547) 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, 40 + ... + 1676.

It is an arithmetic number, because the mean of its divisors is an integer number (103194).

2^1404546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1651104).

1404546 is an abundant number, since it is smaller than the sum of its proper divisors (1897662).

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

1404546 is a wasteful number, since it uses less digits than its factorization.

1404546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1404546 is about 1185.1354352984. The cubic root of 1404546 is about 111.9898481445.

Adding to 1404546 its reverse (6454041), we get a palindrome (7858587).

It can be divided in two parts, 140454 and 6, that multiplied together give a square (842724 = 918²).

The spelling of 1404546 in words is "one million, four hundred four thousand, five hundred forty-six".