1400555 has 16 divisors (see below), whose sum is σ = 1874880. Its totient is φ = 997248.

The previous prime is 1400543. The next prime is 1400557. The reversal of 1400555 is 5550041.

It is a cyclic number.

It is not a de Polignac number, because 1400555 - 2⁸ = 1400299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1400557) 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, 1514 + ... + 2256.

It is an arithmetic number, because the mean of its divisors is an integer number (117180).

2^1400555 is an apocalyptic number.

1400555 is a deficient number, since it is larger than the sum of its proper divisors (474325).

1400555 is a wasteful number, since it uses less digits than its factorization.

1400555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 1400555 is about 1183.4504636866. The cubic root of 1400555 is about 111.8836749305.

Adding to 1400555 its reverse (5550041), we get a palindrome (6950596).

The spelling of 1400555 in words is "one million, four hundred thousand, five hundred fifty-five".