1426899 has 16 divisors (see below), whose sum is σ = 2001920. Its totient is φ = 902880.

The previous prime is 1426891. The next prime is 1426907. The reversal of 1426899 is 9986241.

It is an interprime number because it is at equal distance from previous prime (1426891) and next prime (1426907).

It is not a de Polignac number, because 1426899 - 2³ = 1426891 is a prime.

It is a d-powerful number, because it can be written as 1 + 4¹⁰ + 2¹⁵ + 6⁷ + 8 + 9⁴ + 9⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6117 + ... + 6345.

It is an arithmetic number, because the mean of its divisors is an integer number (125120).

2^1426899 is an apocalyptic number.

1426899 is a deficient number, since it is larger than the sum of its proper divisors (575021).

1426899 is a wasteful number, since it uses less digits than its factorization.

1426899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330.

The product of its digits is 31104, while the sum is 39.

The square root of 1426899 is about 1194.5287773846. The cubic root of 1426899 is about 112.5808209360.

The spelling of 1426899 in words is "one million, four hundred twenty-six thousand, eight hundred ninety-nine".