1426919 has 16 divisors (see below), whose sum is σ = 1663200. Its totient is φ = 1213056.

The previous prime is 1426913. The next prime is 1426927. The reversal of 1426919 is 9196241.

It is not a de Polignac number, because 1426919 - 2¹⁶ = 1361383 is a prime.

It is a super-2 number, since 2×1426919² = 4072195665122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13037 + ... + 13145.

It is an arithmetic number, because the mean of its divisors is an integer number (103950).

2^1426919 is an apocalyptic number.

1426919 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1426919 is a deficient number, since it is larger than the sum of its proper divisors (236281).

1426919 is a wasteful number, since it uses less digits than its factorization.

1426919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194.

The product of its digits is 3888, while the sum is 32.

The square root of 1426919 is about 1194.5371488572. The cubic root of 1426919 is about 112.5813469265.

The spelling of 1426919 in words is "one million, four hundred twenty-six thousand, nine hundred nineteen".