1641367 has 16 divisors (see below), whose sum is σ = 2140992. Its totient is φ = 1221120.

The previous prime is 1641361. The next prime is 1641373. The reversal of 1641367 is 7631461.

1641367 = T₁₀₃ + T₁₀₄ + ... + T₂₂₁.

It is an interprime number because it is at equal distance from previous prime (1641361) and next prime (1641373).

It is a cyclic number.

It is not a de Polignac number, because 1641367 - 2³ = 1641359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641361) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1017 + ... + 2077.

It is an arithmetic number, because the mean of its divisors is an integer number (133812).

2^1641367 is an apocalyptic number.

1641367 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1641367 is a deficient number, since it is larger than the sum of its proper divisors (499625).

1641367 is a wasteful number, since it uses less digits than its factorization.

1641367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098.

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

The square root of 1641367 is about 1281.1584601446. The cubic root of 1641367 is about 117.9601272925.

Adding to 1641367 its product of digits (3024), we get a triangular number (1644391 = T₁₈₁₃).

The spelling of 1641367 in words is "one million, six hundred forty-one thousand, three hundred sixty-seven".