1395431 has 4 divisors (see below), whose sum is σ = 1411200. Its totient is φ = 1379664.

The previous prime is 1395419. The next prime is 1395439. The reversal of 1395431 is 1345931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1395431 - 2⁶ = 1395367 is a prime.

It is a super-2 number, since 2×1395431² = 3894455351522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1395431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7751 + ... + 7928.

It is an arithmetic number, because the mean of its divisors is an integer number (352800).

2^1395431 is an apocalyptic number.

1395431 is a deficient number, since it is larger than the sum of its proper divisors (15769).

1395431 is an equidigital number, since it uses as much as digits as its factorization.

1395431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15768.

The product of its digits is 1620, while the sum is 26.

The square root of 1395431 is about 1181.2836238601. The cubic root of 1395431 is about 111.7470642026.

The spelling of 1395431 in words is "one million, three hundred ninety-five thousand, four hundred thirty-one".