3855007 has 8 divisors (see below), whose sum is σ = 4332384. Its totient is φ = 3403488.

The previous prime is 3854989. The next prime is 3855013. The reversal of 3855007 is 7005583.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3855007 is a prime.

It is a super-2 number, since 2×3855007² = 29722157940098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3853007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6148 + ... + 6745.

It is an arithmetic number, because the mean of its divisors is an integer number (541548).

Almost surely, 2^3855007 is an apocalyptic number.

3855007 is a deficient number, since it is larger than the sum of its proper divisors (477377).

3855007 is a wasteful number, since it uses less digits than its factorization.

3855007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12929.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 3855007 is about 1963.4171742144. The cubic root of 3855007 is about 156.7984349898.

The spelling of 3855007 in words is "three million, eight hundred fifty-five thousand, seven".