3762021 has 8 divisors (see below), whose sum is σ = 5122944. Its totient is φ = 2454560.

The previous prime is 3762007. The next prime is 3762047. The reversal of 3762021 is 1202673.

It is a happy number.

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 3762021 - 2⁷ = 3761893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3762001) 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, 13200 + ... + 13481.

It is an arithmetic number, because the mean of its divisors is an integer number (640368).

Almost surely, 2^3762021 is an apocalyptic number.

It is an amenable number.

3762021 is a deficient number, since it is larger than the sum of its proper divisors (1360923).

3762021 is a wasteful number, since it uses less digits than its factorization.

3762021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26731.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 3762021 is about 1939.5929985438. The cubic root of 3762021 is about 155.5274573020.

Adding to 3762021 its reverse (1202673), we get a palindrome (4964694).

The spelling of 3762021 in words is "three million, seven hundred sixty-two thousand, twenty-one".