1426939 has 2 divisors, whose sum is σ = 1426940. Its totient is φ = 1426938.

The previous prime is 1426933. The next prime is 1426949. The reversal of 1426939 is 9396241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1426939 - 2⁵ = 1426907 is a prime.

It is not a weakly prime, because it can be changed into another prime (1426933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713469 + 713470.

It is an arithmetic number, because the mean of its divisors is an integer number (713470).

2^1426939 is an apocalyptic number.

1426939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426939 is an equidigital number, since it uses as much as digits as its factorization.

1426939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 34.

The square root of 1426939 is about 1194.5455202712. The cubic root of 1426939 is about 112.5818729121.

It can be divided in two parts, 14 and 26939, that multiplied together give a triangular number (377146 = T₈₆₈).

The spelling of 1426939 in words is "one million, four hundred twenty-six thousand, nine hundred thirty-nine".