1426869 has 16 divisors (see below), whose sum is σ = 2164800. Its totient is φ = 928368.

The previous prime is 1426847. The next prime is 1426877. The reversal of 1426869 is 9686241.

It is not a de Polignac number, because 1426869 - 2⁷ = 1426741 is a prime.

It is a super-2 number, since 2×1426869² = 4071910286322, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426889) 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, 547 + ... + 1775.

It is an arithmetic number, because the mean of its divisors is an integer number (135300).

2^1426869 is an apocalyptic number.

It is an amenable number.

1426869 is a deficient number, since it is larger than the sum of its proper divisors (737931).

1426869 is a wasteful number, since it uses less digits than its factorization.

1426869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281 (or 1275 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1426869 is about 1194.5162200657. The cubic root of 1426869 is about 112.5800319411.

The spelling of 1426869 in words is "one million, four hundred twenty-six thousand, eight hundred sixty-nine".