1356400 has 30 divisors (see below), whose sum is σ = 3259712. Its totient is φ = 542400.

The previous prime is 1356389. The next prime is 1356401. The reversal of 1356400 is 46531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1296 + ... + 2095.

2^1356400 is an apocalyptic number.

1356400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1356400 is an abundant number, since it is smaller than the sum of its proper divisors (1903312).

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

1356400 is a wasteful number, since it uses less digits than its factorization.

1356400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409 (or 3398 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1356400 is about 1164.6458689233. The cubic root of 1356400 is about 110.6953200752.

The spelling of 1356400 in words is "one million, three hundred fifty-six thousand, four hundred".