3798621 has 6 divisors (see below), whose sum is σ = 5486910. Its totient is φ = 2532408.

The previous prime is 3798593. The next prime is 3798629. The reversal of 3798621 is 1268973.

It can be written as a sum of positive squares in only one way, i.e., 2134521 + 1664100 = 1461^2 + 1290^2 .

It is not a de Polignac number, because 3798621 - 2⁵ = 3798589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3798629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211026 + ... + 211043.

It is an arithmetic number, because the mean of its divisors is an integer number (914485).

Almost surely, 2^3798621 is an apocalyptic number.

It is an amenable number.

3798621 is a deficient number, since it is larger than the sum of its proper divisors (1688289).

3798621 is a wasteful number, since it uses less digits than its factorization.

3798621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422075 (or 422072 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 3798621 is about 1949.0051308296. The cubic root of 3798621 is about 156.0301963243.

The spelling of 3798621 in words is "three million, seven hundred ninety-eight thousand, six hundred twenty-one".