1426878 has 24 divisors (see below), whose sum is σ = 3274128. Its totient is φ = 447552.

The previous prime is 1426877. The next prime is 1426883. The reversal of 1426878 is 8786241.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426877) 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 11 ways as a sum of consecutive naturals, for example, 2026 + ... + 2637.

It is an arithmetic number, because the mean of its divisors is an integer number (136422).

2^1426878 is an apocalyptic number.

1426878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1426878 is an abundant number, since it is smaller than the sum of its proper divisors (1847250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1426878 is a wasteful number, since it uses less digits than its factorization.

1426878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4688 (or 4685 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 1426878 is about 1194.5199872752. The cubic root of 1426878 is about 112.5802686407.

It can be divided in two parts, 1426 and 878, that added together give a square (2304 = 48²).

The spelling of 1426878 in words is "one million, four hundred twenty-six thousand, eight hundred seventy-eight".