1368938 has 4 divisors (see below), whose sum is σ = 2053410. Its totient is φ = 684468.

The previous prime is 1368911. The next prime is 1368943. The reversal of 1368938 is 8398631.

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., 786769 + 582169 = 887^2 + 763^2 .

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 as a sum of consecutive naturals, namely, 342233 + ... + 342236.

2^1368938 is an apocalyptic number.

1368938 is a deficient number, since it is larger than the sum of its proper divisors (684472).

1368938 is an equidigital number, since it uses as much as digits as its factorization.

1368938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684471.

The product of its digits is 31104, while the sum is 38.

The square root of 1368938 is about 1170.0162392035. The cubic root of 1368938 is about 111.0353484260.

Subtracting from 1368938 its sum of digits (38), we obtain a square (1368900 = 1170²).

The spelling of 1368938 in words is "one million, three hundred sixty-eight thousand, nine hundred thirty-eight".