3973846 has 4 divisors (see below), whose sum is σ = 5960772. Its totient is φ = 1986922.

The previous prime is 3973829. The next prime is 3973847. The reversal of 3973846 is 6483793.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 3² + 9 + 7⁴ + 3¹³ + 8⁷ + 4² + 6⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 3973799 and 3973808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3973847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 993460 + ... + 993463.

It is an arithmetic number, because the mean of its divisors is an integer number (1490193).

Almost surely, 2^3973846 is an apocalyptic number.

3973846 is a deficient number, since it is larger than the sum of its proper divisors (1986926).

3973846 is a wasteful number, since it uses less digits than its factorization.

3973846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986925.

The product of its digits is 108864, while the sum is 40.

The square root of 3973846 is about 1993.4507769193. The cubic root of 3973846 is about 158.3933743360.

The spelling of 3973846 in words is "three million, nine hundred seventy-three thousand, eight hundred forty-six".