3768621 has 8 divisors (see below), whose sum is σ = 5051904. Its totient is φ = 2498880.

The previous prime is 3768617. The next prime is 3768643. The reversal of 3768621 is 1268673.

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

It is not a de Polignac number, because 3768621 - 2² = 3768617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3763621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2716 + ... + 3861.

It is an arithmetic number, because the mean of its divisors is an integer number (631488).

Almost surely, 2^3768621 is an apocalyptic number.

It is an amenable number.

3768621 is a deficient number, since it is larger than the sum of its proper divisors (1283283).

3768621 is a wasteful number, since it uses less digits than its factorization.

3768621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771.

The product of its digits is 12096, while the sum is 33.

The square root of 3768621 is about 1941.2936408488. The cubic root of 3768621 is about 155.6183553880.

The spelling of 3768621 in words is "three million, seven hundred sixty-eight thousand, six hundred twenty-one".