3889470 has 32 divisors (see below), whose sum is σ = 10053792. Its totient is φ = 957312.

The previous prime is 3889453. The next prime is 3889489. The reversal of 3889470 is 749883.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

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, 4597 + ... + 5376.

It is an arithmetic number, because the mean of its divisors is an integer number (314181).

Almost surely, 2^3889470 is an apocalyptic number.

3889470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3889470 is an abundant number, since it is smaller than the sum of its proper divisors (6164322).

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

3889470 is a wasteful number, since it uses less digits than its factorization.

3889470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9996.

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

The square root of 3889470 is about 1972.1739274212. The cubic root of 3889470 is about 157.2642984901.

The spelling of 3889470 in words is "three million, eight hundred eighty-nine thousand, four hundred seventy".