3900651 has 8 divisors (see below), whose sum is σ = 5341584. Its totient is φ = 2530080.

The previous prime is 3900649. The next prime is 3900679. The reversal of 3900651 is 1560093.

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

It is not a de Polignac number, because 3900651 - 2¹ = 3900649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3900691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17460 + ... + 17681.

It is an arithmetic number, because the mean of its divisors is an integer number (667698).

Almost surely, 2^3900651 is an apocalyptic number.

3900651 is a deficient number, since it is larger than the sum of its proper divisors (1440933).

3900651 is a wasteful number, since it uses less digits than its factorization.

3900651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35181.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 3900651 is about 1975.0065822675. The cubic root of 3900651 is about 157.4148494123.

The spelling of 3900651 in words is "three million, nine hundred thousand, six hundred fifty-one".