3854691 has 6 divisors (see below), whose sum is σ = 5567900. Its totient is φ = 2569788.

The previous prime is 3854681. The next prime is 3854693. The reversal of 3854691 is 1964583.

It is not a de Polignac number, because 3854691 - 2¹¹ = 3852643 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3854693) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 214141 + ... + 214158.

Almost surely, 2^3854691 is an apocalyptic number.

3854691 is a deficient number, since it is larger than the sum of its proper divisors (1713209).

3854691 is a wasteful number, since it uses less digits than its factorization.

3854691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428305 (or 428302 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3854691 is about 1963.3367006196. The cubic root of 3854691 is about 156.7941505480.

The spelling of 3854691 in words is "three million, eight hundred fifty-four thousand, six hundred ninety-one".