1367641 has 8 divisors (see below), whose sum is σ = 1507968. Its totient is φ = 1230000.

The previous prime is 1367617. The next prime is 1367647. The reversal of 1367641 is 1467631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1367641 is a prime.

1367641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1367647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496 + ... + 1726.

It is an arithmetic number, because the mean of its divisors is an integer number (188496).

2^1367641 is an apocalyptic number.

1367641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1367641 is a deficient number, since it is larger than the sum of its proper divisors (140327).

1367641 is a wasteful number, since it uses less digits than its factorization.

1367641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343.

The product of its digits is 3024, while the sum is 28.

The square root of 1367641 is about 1169.4618420453. The cubic root of 1367641 is about 111.0002705402. Note that the first 3 decimals are identical.

It can be divided in two parts, 136 and 7641, that added together give a palindrome (7777).

The spelling of 1367641 in words is "one million, three hundred sixty-seven thousand, six hundred forty-one".