4006854 has 16 divisors (see below), whose sum is σ = 8904240. Its totient is φ = 1335600.

The previous prime is 4006837. The next prime is 4006859. The reversal of 4006854 is 4586004.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006859) 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, 37047 + ... + 37154.

It is an arithmetic number, because the mean of its divisors is an integer number (556515).

Almost surely, 2^4006854 is an apocalyptic number.

4006854 is an abundant number, since it is smaller than the sum of its proper divisors (4897386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4006854 is a wasteful number, since it uses less digits than its factorization.

4006854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74212 (or 74206 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 4006854 is about 2001.7127666076. The cubic root of 4006854 is about 158.8307205168.

It can be divided in two parts, 400685 and 4, that added together give a square (400689 = 633²).

The spelling of 4006854 in words is "four million, six thousand, eight hundred fifty-four".