3899450 has 24 divisors (see below), whose sum is σ = 7312032. Its totient is φ = 1547120.

The previous prime is 3899429. The next prime is 3899453. The reversal of 3899450 is 549983.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3899453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8117 + ... + 8583.

It is an arithmetic number, because the mean of its divisors is an integer number (304668).

Almost surely, 2^3899450 is an apocalyptic number.

3899450 is a deficient number, since it is larger than the sum of its proper divisors (3412582).

3899450 is a wasteful number, since it uses less digits than its factorization.

3899450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 3899450 is about 1974.7025092403. The cubic root of 3899450 is about 157.3986918836.

The spelling of 3899450 in words is "three million, eight hundred ninety-nine thousand, four hundred fifty".