1394831 has 2 divisors, whose sum is σ = 1394832. Its totient is φ = 1394830.

The previous prime is 1394821. The next prime is 1394849. The reversal of 1394831 is 1384931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1394831 - 2¹⁰ = 1393807 is a prime.

It is a super-2 number, since 2×1394831² = 3891107037122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1394794 and 1394803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1394821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697415 + 697416.

It is an arithmetic number, because the mean of its divisors is an integer number (697416).

2^1394831 is an apocalyptic number.

1394831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1394831 is an equidigital number, since it uses as much as digits as its factorization.

1394831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 1394831 is about 1181.0296355299. The cubic root of 1394831 is about 111.7310457704.

The spelling of 1394831 in words is "one million, three hundred ninety-four thousand, eight hundred thirty-one".