1434646 has 4 divisors (see below), whose sum is σ = 2151972. Its totient is φ = 717322.

The previous prime is 1434637. The next prime is 1434661. The reversal of 1434646 is 6464341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6464341 = 13 ⋅497257.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358660 + ... + 358663.

It is an arithmetic number, because the mean of its divisors is an integer number (537993).

2^1434646 is an apocalyptic number.

1434646 is a deficient number, since it is larger than the sum of its proper divisors (717326).

1434646 is an equidigital number, since it uses as much as digits as its factorization.

1434646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717325.

The product of its digits is 6912, while the sum is 28.

The square root of 1434646 is about 1197.7670892123. The cubic root of 1434646 is about 112.7841966862.

Adding to 1434646 its reverse (6464341), we get a palindrome (7898987).

It can be divided in two parts, 1434 and 646, that added together give a triangular number (2080 = T₆₄).

The spelling of 1434646 in words is "one million, four hundred thirty-four thousand, six hundred forty-six".