1400193 has 8 divisors (see below), whose sum is σ = 2074400. Its totient is φ = 933444.

The previous prime is 1400173. The next prime is 1400197. The reversal of 1400193 is 3910041.

It is a de Polignac number, because none of the positive numbers 2^k-1400193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400197) 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, 25903 + ... + 25956.

It is an arithmetic number, because the mean of its divisors is an integer number (259300).

2^1400193 is an apocalyptic number.

It is an amenable number.

1400193 is a deficient number, since it is larger than the sum of its proper divisors (674207).

1400193 is an equidigital number, since it uses as much as digits as its factorization.

1400193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51868 (or 51862 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1400193 is about 1183.2975111949. The cubic root of 1400193 is about 111.8740346140.

Adding to 1400193 its product of nonzero digits (108), we get a triangular number (1400301 = T₁₆₇₃).

The spelling of 1400193 in words is "one million, four hundred thousand, one hundred ninety-three".