1426634 has 16 divisors (see below), whose sum is σ = 2458080. Its totient is φ = 614160.

The previous prime is 1426627. The next prime is 1426643. The reversal of 1426634 is 4366241.

1426634 = T₇₆ + T₇₇ + ... + T₂₀₇.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1289 + ... + 2124.

It is an arithmetic number, because the mean of its divisors is an integer number (153630).

2^1426634 is an apocalyptic number.

1426634 is a deficient number, since it is larger than the sum of its proper divisors (1031446).

1426634 is a wasteful number, since it uses less digits than its factorization.

1426634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3445.

The product of its digits is 3456, while the sum is 26.

The square root of 1426634 is about 1194.4178498331. The cubic root of 1426634 is about 112.5738510980.

It can be divided in two parts, 142 and 6634, that added together give a palindrome (6776).

The spelling of 1426634 in words is "one million, four hundred twenty-six thousand, six hundred thirty-four".