3798646 has 4 divisors (see below), whose sum is σ = 5697972. Its totient is φ = 1899322.

The previous prime is 3798643. The next prime is 3798649. The reversal of 3798646 is 6468973.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6468973 = 7 ⋅924139.

It is an interprime number because it is at equal distance from previous prime (3798643) and next prime (3798649).

It is a super-2 number, since 2×3798646² = 28859422866632, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3798643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 949660 + ... + 949663.

It is an arithmetic number, because the mean of its divisors is an integer number (1424493).

Almost surely, 2^3798646 is an apocalyptic number.

3798646 is a deficient number, since it is larger than the sum of its proper divisors (1899326).

3798646 is a wasteful number, since it uses less digits than its factorization.

3798646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899325.

The product of its digits is 217728, while the sum is 43.

The square root of 3798646 is about 1949.0115443475. The cubic root of 3798646 is about 156.0305386192.

It can be divided in two parts, 3798 and 646, that added together give a palindrome (4444).

The spelling of 3798646 in words is "three million, seven hundred ninety-eight thousand, six hundred forty-six".