1453404 has 24 divisors (see below), whose sum is σ = 3501568. Its totient is φ = 468720.

The previous prime is 1453399. The next prime is 1453411. The reversal of 1453404 is 4043541.

It is a super-2 number, since 2×1453404² = 4224766374432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582 + ... + 2325.

2^1453404 is an apocalyptic number.

It is an amenable number.

1453404 is an abundant number, since it is smaller than the sum of its proper divisors (2048164).

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

1453404 is a wasteful number, since it uses less digits than its factorization.

1453404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945 (or 3943 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1453404 is about 1205.5720633790. The cubic root of 1453404 is about 113.2736209860.

Adding to 1453404 its reverse (4043541), we get a palindrome (5496945).

The spelling of 1453404 in words is "one million, four hundred fifty-three thousand, four hundred four".