3899470 has 8 divisors (see below), whose sum is σ = 7019064. Its totient is φ = 1559784.

The previous prime is 3899453. The next prime is 3899471. The reversal of 3899470 is 749983.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3899471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194964 + ... + 194983.

It is an arithmetic number, because the mean of its divisors is an integer number (877383).

Almost surely, 2^3899470 is an apocalyptic number.

3899470 is a deficient number, since it is larger than the sum of its proper divisors (3119594).

3899470 is a wasteful number, since it uses less digits than its factorization.

3899470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389954.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 3899470 is about 1974.7075732878. The cubic root of 3899470 is about 157.3989609787.

The spelling of 3899470 in words is "three million, eight hundred ninety-nine thousand, four hundred seventy".