3908642 has 8 divisors (see below), whose sum is σ = 6171600. Its totient is φ = 1851444.

The previous prime is 3908629. The next prime is 3908659. The reversal of 3908642 is 2468093.

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

It is a d-powerful number, because it can be written as 3⁶ + 9 + 0 + 8⁷ + 6⁸ + 4³ + 2¹⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 3908599 and 3908608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51392 + ... + 51467.

It is an arithmetic number, because the mean of its divisors is an integer number (771450).

Almost surely, 2^3908642 is an apocalyptic number.

3908642 is a deficient number, since it is larger than the sum of its proper divisors (2262958).

3908642 is a wasteful number, since it uses less digits than its factorization.

3908642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102880.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 3908642 is about 1977.0285784480. The cubic root of 3908642 is about 157.5222711431.

The spelling of 3908642 in words is "three million, nine hundred eight thousand, six hundred forty-two".