3621347 has 2 divisors, whose sum is σ = 3621348. Its totient is φ = 3621346.

The previous prime is 3621341. The next prime is 3621353. The reversal of 3621347 is 7431263.

It is a balanced prime because it is at equal distance from previous prime (3621341) and next prime (3621353).

It is a cyclic number.

It is not a de Polignac number, because 3621347 - 2¹⁴ = 3604963 is a prime.

It is a super-2 number, since 2×3621347² = 26228308188818, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3621341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810673 + 1810674.

It is an arithmetic number, because the mean of its divisors is an integer number (1810674).

Almost surely, 2^3621347 is an apocalyptic number.

3621347 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621347 is an equidigital number, since it uses as much as digits as its factorization.

3621347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 26.

The square root of 3621347 is about 1902.9837098620. The cubic root of 3621347 is about 153.5642231444.

The spelling of 3621347 in words is "three million, six hundred twenty-one thousand, three hundred forty-seven".