1426831 has 12 divisors (see below), whose sum is σ = 1706808. Its totient is φ = 1188432.

The previous prime is 1426811. The next prime is 1426847. The reversal of 1426831 is 1386241.

It is not a de Polignac number, because 1426831 - 2⁷ = 1426703 is a prime.

It is a super-2 number, since 2×1426831² = 4071693405122, which contains 22 as substring.

It is the 1195-th Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1426796 and 1426805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426801) by changing a digit.

It is a nontrivial repunit in base 1194.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1420 + ... + 2206.

It is an arithmetic number, because the mean of its divisors is an integer number (142234).

2^1426831 is an apocalyptic number.

1426831 is a deficient number, since it is larger than the sum of its proper divisors (279977).

1426831 is an equidigital number, since it uses as much as digits as its factorization.

1426831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 831 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 1426831 is about 1194.5003139388. The cubic root of 1426831 is about 112.5790325316.

The spelling of 1426831 in words is "one million, four hundred twenty-six thousand, eight hundred thirty-one".