3849870 has 32 divisors (see below), whose sum is σ = 9303840. Its totient is φ = 1019520.

The previous prime is 3849863. The next prime is 3849889. The reversal of 3849870 is 789483.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5076 + ... + 5784.

It is an arithmetic number, because the mean of its divisors is an integer number (290745).

Almost surely, 2^3849870 is an apocalyptic number.

3849870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3849870 is an abundant number, since it is smaller than the sum of its proper divisors (5453970).

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

3849870 is a wasteful number, since it uses less digits than its factorization.

3849870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 3849870 is about 1962.1085596878. The cubic root of 3849870 is about 156.7287566377.

The spelling of 3849870 in words is "three million, eight hundred forty-nine thousand, eight hundred seventy".