3942006 has 32 divisors (see below), whose sum is σ = 8390400. Its totient is φ = 1231200.

The previous prime is 3941969. The next prime is 3942007. The reversal of 3942006 is 6002493.

It is a super-2 number, since 2×3942006² = 31078822608072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17100 + ... + 17328.

It is an arithmetic number, because the mean of its divisors is an integer number (262200).

Almost surely, 2^3942006 is an apocalyptic number.

3942006 is an abundant number, since it is smaller than the sum of its proper divisors (4448394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3942006 is a wasteful number, since it uses less digits than its factorization.

3942006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 3942006 is about 1985.4485639271. The cubic root of 3942006 is about 157.9692029918.

Adding to 3942006 its reverse (6002493), we get a palindrome (9944499).

The spelling of 3942006 in words is "three million, nine hundred forty-two thousand, six".