1400355 has 64 divisors (see below), whose sum is σ = 2903040. Its totient is φ = 633600.

The previous prime is 1400353. The next prime is 1400369. The reversal of 1400355 is 5530041.

It is not a de Polignac number, because 1400355 - 2¹ = 1400353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1400353) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 34135 + ... + 34175.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2^1400355 is an apocalyptic number.

1400355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1400355 is an abundant number, since it is smaller than the sum of its proper divisors (1502685).

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

1400355 is a wasteful number, since it uses less digits than its factorization.

1400355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1400355 is about 1183.3659619915. The cubic root of 1400355 is about 111.8783489941.

Adding to 1400355 its reverse (5530041), we get a palindrome (6930396).

The spelling of 1400355 in words is "one million, four hundred thousand, three hundred fifty-five".