4020037 has 8 divisors (see below), whose sum is σ = 4657856. Its totient is φ = 3398112.

The previous prime is 4020031. The next prime is 4020119. The reversal of 4020037 is 7300204.

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

It is a cyclic number.

It is not a de Polignac number, because 4020037 - 2⁷ = 4019909 is a prime.

It is an Ulam number.

4020037 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4020037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020031) 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 7 ways as a sum of consecutive naturals, for example, 3423 + ... + 4444.

It is an arithmetic number, because the mean of its divisors is an integer number (582232).

Almost surely, 2^4020037 is an apocalyptic number.

It is an amenable number.

4020037 is a deficient number, since it is larger than the sum of its proper divisors (637819).

4020037 is an equidigital number, since it uses as much as digits as its factorization.

4020037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7947.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 4020037 is about 2005.0029925165. The cubic root of 4020037 is about 159.0047201373.

The spelling of 4020037 in words is "four million, twenty thousand, thirty-seven".