1431394 has 8 divisors (see below), whose sum is σ = 2216448. Its totient is φ = 692580.

The previous prime is 1431389. The next prime is 1431413. The reversal of 1431394 is 4931341.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11482 + ... + 11605.

It is an arithmetic number, because the mean of its divisors is an integer number (277056).

2^1431394 is an apocalyptic number.

1431394 is a deficient number, since it is larger than the sum of its proper divisors (785054).

1431394 is a wasteful number, since it uses less digits than its factorization.

1431394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23120.

The product of its digits is 1296, while the sum is 25.

The square root of 1431394 is about 1196.4087930135. The cubic root of 1431394 is about 112.6989139319.

The spelling of 1431394 in words is "one million, four hundred thirty-one thousand, three hundred ninety-four".