3906867 has 16 divisors (see below), whose sum is σ = 5447072. Its totient is φ = 2488320.

The previous prime is 3906863. The next prime is 3906883. The reversal of 3906867 is 7686093.

It is not a de Polignac number, because 3906867 - 2² = 3906863 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3906863) 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, 6483 + ... + 7059.

It is an arithmetic number, because the mean of its divisors is an integer number (340442).

Almost surely, 2^3906867 is an apocalyptic number.

3906867 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3906867 is a deficient number, since it is larger than the sum of its proper divisors (1540205).

3906867 is a wasteful number, since it uses less digits than its factorization.

3906867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 3906867 is about 1976.5796214673. The cubic root of 3906867 is about 157.4984227607.

The spelling of 3906867 in words is "three million, nine hundred six thousand, eight hundred sixty-seven".