1364642 has 4 divisors (see below), whose sum is σ = 2046966. Its totient is φ = 682320.

The previous prime is 1364633. The next prime is 1364663. The reversal of 1364642 is 2464631.

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

It can be written as a sum of positive squares in only one way, i.e., 1234321 + 130321 = 1111^2 + 361^2 .

It is a d-powerful number, because it can be written as 1 + 3¹¹ + 6 + 4³ + 6⁵ + 4¹⁰ + 2¹⁷ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341159 + ... + 341162.

2^1364642 is an apocalyptic number.

1364642 is a deficient number, since it is larger than the sum of its proper divisors (682324).

1364642 is an equidigital number, since it uses as much as digits as its factorization.

1364642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682323.

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

The square root of 1364642 is about 1168.1789246515. The cubic root of 1364642 is about 110.9190763692.

The spelling of 1364642 in words is "one million, three hundred sixty-four thousand, six hundred forty-two".