1361650 has 24 divisors (see below), whose sum is σ = 2565684. Its totient is φ = 537600.

The previous prime is 1361629. The next prime is 1361677. The reversal of 1361650 is 561631.

It can be written as a sum of positive squares in 6 ways, for example, as 257049 + 1104601 = 507^2 + 1051^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5530 + ... + 5770.

2^1361650 is an apocalyptic number.

1361650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1361650 is a deficient number, since it is larger than the sum of its proper divisors (1204034).

1361650 is a wasteful number, since it uses less digits than its factorization.

1361650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1361650 is about 1166.8975961926. The cubic root of 1361650 is about 110.8379530866.

The spelling of 1361650 in words is "one million, three hundred sixty-one thousand, six hundred fifty".