1400343 has 8 divisors (see below), whose sum is σ = 2133888. Its totient is φ = 800184.

The previous prime is 1400327. The next prime is 1400353. The reversal of 1400343 is 3430041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1400343 - 2⁴ = 1400327 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33321 + ... + 33362.

It is an arithmetic number, because the mean of its divisors is an integer number (266736).

2^1400343 is an apocalyptic number.

1400343 is a deficient number, since it is larger than the sum of its proper divisors (733545).

1400343 is an equidigital number, since it uses as much as digits as its factorization.

1400343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66693.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1400343 is about 1183.3608916979. The cubic root of 1400343 is about 111.8780294218.

Adding to 1400343 its reverse (3430041), we get a palindrome (4830384).

The spelling of 1400343 in words is "one million, four hundred thousand, three hundred forty-three".