1342646 has 4 divisors (see below), whose sum is σ = 2013972. Its totient is φ = 671322.

The previous prime is 1342633. The next prime is 1342651. The reversal of 1342646 is 6462431.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

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, 335660 + ... + 335663.

It is an arithmetic number, because the mean of its divisors is an integer number (503493).

2^1342646 is an apocalyptic number.

1342646 is a deficient number, since it is larger than the sum of its proper divisors (671326).

1342646 is an equidigital number, since it uses as much as digits as its factorization.

1342646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671325.

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

The square root of 1342646 is about 1158.7260245632. The cubic root of 1342646 is about 110.3198952448.

The spelling of 1342646 in words is "one million, three hundred forty-two thousand, six hundred forty-six".