3642037 has 4 divisors (see below), whose sum is σ = 4162336. Its totient is φ = 3121740.

The previous prime is 3642031. The next prime is 3642049. The reversal of 3642037 is 7302463.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7302463 = 7 ⋅1043209.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3642037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260139 + ... + 260152.

It is an arithmetic number, because the mean of its divisors is an integer number (1040584).

Almost surely, 2^3642037 is an apocalyptic number.

It is an amenable number.

3642037 is a deficient number, since it is larger than the sum of its proper divisors (520299).

3642037 is an equidigital number, since it uses as much as digits as its factorization.

3642037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520298.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 3642037 is about 1908.4121672217. The cubic root of 3642037 is about 153.8561230014.

It can be divided in two parts, 364 and 2037, that added together give a 4-th power (2401 = 7⁴).

The spelling of 3642037 in words is "three million, six hundred forty-two thousand, thirty-seven".