3943426 has 8 divisors (see below), whose sum is σ = 5924160. Its totient is φ = 1968708.

The previous prime is 3943409. The next prime is 3943427. The reversal of 3943426 is 6243493.

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

It is not an unprimeable number, because it can be changed into a prime (3943427) 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, 915 + ... + 2953.

It is an arithmetic number, because the mean of its divisors is an integer number (740520).

Almost surely, 2^3943426 is an apocalyptic number.

3943426 is a deficient number, since it is larger than the sum of its proper divisors (1980734).

3943426 is a wasteful number, since it uses less digits than its factorization.

3943426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008.

The product of its digits is 15552, while the sum is 31.

The square root of 3943426 is about 1985.8061335387. The cubic root of 3943426 is about 157.9881687450.

The spelling of 3943426 in words is "three million, nine hundred forty-three thousand, four hundred twenty-six".