3961946 has 8 divisors (see below), whose sum is σ = 5964084. Its totient is φ = 1973920.

The previous prime is 3961943. The next prime is 3961949. The reversal of 3961946 is 6491693.

It is an interprime number because it is at equal distance from previous prime (3961943) and next prime (3961949).

It can be written as a sum of positive squares in 2 ways, for example, as 3258025 + 703921 = 1805^2 + 839^2 .

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

It is a super-2 number, since 2×3961946² = 31394032213832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3961943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2795 + ... + 3966.

Almost surely, 2^3961946 is an apocalyptic number.

3961946 is a deficient number, since it is larger than the sum of its proper divisors (2002138).

3961946 is a wasteful number, since it uses less digits than its factorization.

3961946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7056.

The product of its digits is 34992, while the sum is 38.

The square root of 3961946 is about 1990.4637650558. The cubic root of 3961946 is about 158.2351090378.

The spelling of 3961946 in words is "three million, nine hundred sixty-one thousand, nine hundred forty-six".