1453400 has 72 divisors (see below), whose sum is σ = 3744180. Its totient is φ = 524160.

The previous prime is 1453399. The next prime is 1453411. The reversal of 1453400 is 43541.

It is a super-2 number, since 2×1453400² = 4224743120000, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 33779 + ... + 33821.

2^1453400 is an apocalyptic number.

1453400 is a gapful number since it is divisible by the number (10) 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 1453400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1872090).

1453400 is an abundant number, since it is smaller than the sum of its proper divisors (2290780).

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

1453400 is a wasteful number, since it uses less digits than its factorization.

1453400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1453400 is about 1205.5704044144. The cubic root of 1453400 is about 113.2735170702.

Adding to 1453400 its reverse (43541), we get a palindrome (1496941).

The spelling of 1453400 in words is "one million, four hundred fifty-three thousand, four hundred".