3870834 has 32 divisors (see below), whose sum is σ = 8515584. Its totient is φ = 1163280.

The previous prime is 3870827. The next prime is 3870847. The reversal of 3870834 is 4380783.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 3870795 and 3870804.

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, 14587 + ... + 14849.

It is an arithmetic number, because the mean of its divisors is an integer number (266112).

Almost surely, 2^3870834 is an apocalyptic number.

3870834 is the 1052-nd nonagonal number.

3870834 is an abundant number, since it is smaller than the sum of its proper divisors (4644750).

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

3870834 is a wasteful number, since it uses less digits than its factorization.

3870834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 3870834 is about 1967.4435188843. The cubic root of 3870834 is about 157.0127242990.

The spelling of 3870834 in words is "three million, eight hundred seventy thousand, eight hundred thirty-four".