1362644 has 6 divisors (see below), whose sum is σ = 2384634. Its totient is φ = 681320.

The previous prime is 1362643. The next prime is 1362653. The reversal of 1362644 is 4462631.

It can be written as a sum of positive squares in only one way, i.e., 1295044 + 67600 = 1138^2 + 260^2 .

It is a d-powerful number, because it can be written as 1 + 3 + 6⁴ + 2¹⁵ + 6⁷ + 4³ + 4¹⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1362643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170327 + ... + 170334.

It is an arithmetic number, because the mean of its divisors is an integer number (397439).

2^1362644 is an apocalyptic number.

It is an amenable number.

1362644 is a deficient number, since it is larger than the sum of its proper divisors (1021990).

1362644 is a wasteful number, since it uses less digits than its factorization.

1362644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340665 (or 340663 counting only the distinct ones).

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

The square root of 1362644 is about 1167.3234341861. The cubic root of 1362644 is about 110.8649169730.

The spelling of 1362644 in words is "one million, three hundred sixty-two thousand, six hundred forty-four".