3952642 has 16 divisors (see below), whose sum is σ = 6402240. Its totient is φ = 1824592.

The previous prime is 3952633. The next prime is 3952649. The reversal of 3952642 is 2462593.

It is not an unprimeable number, because it can be changed into a prime (3952649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148 + ... + 2815.

It is an arithmetic number, because the mean of its divisors is an integer number (400140).

Almost surely, 2^3952642 is an apocalyptic number.

3952642 is a deficient number, since it is larger than the sum of its proper divisors (2449598).

3952642 is a wasteful number, since it uses less digits than its factorization.

3952642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017.

The product of its digits is 12960, while the sum is 31.

The square root of 3952642 is about 1988.1252475636. The cubic root of 3952642 is about 158.1111486250. Note that the first 4 decimals are identical.

The spelling of 3952642 in words is "three million, nine hundred fifty-two thousand, six hundred forty-two".