3642047 has 4 divisors (see below), whose sum is σ = 3649080. Its totient is φ = 3635016.

The previous prime is 3642031. The next prime is 3642049. The reversal of 3642047 is 7402463.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7402463 = 17 ⋅435439.

It is a cyclic number.

It is not a de Polignac number, because 3642047 - 2⁴ = 3642031 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2672 + ... + 3797.

It is an arithmetic number, because the mean of its divisors is an integer number (912270).

Almost surely, 2^3642047 is an apocalyptic number.

3642047 is a deficient number, since it is larger than the sum of its proper divisors (7033).

3642047 is an equidigital number, since it uses as much as digits as its factorization.

3642047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7032.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 3642047 is about 1908.4147871991. The cubic root of 3642047 is about 153.8562638164.

The spelling of 3642047 in words is "three million, six hundred forty-two thousand, forty-seven".