4139446 has 4 divisors (see below), whose sum is σ = 6209172. Its totient is φ = 2069722.

The previous prime is 4139423. The next prime is 4139477. The reversal of 4139446 is 6449314.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034860 + ... + 1034863.

It is an arithmetic number, because the mean of its divisors is an integer number (1552293).

Almost surely, 2^4139446 is an apocalyptic number.

4139446 is a deficient number, since it is larger than the sum of its proper divisors (2069726).

4139446 is a wasteful number, since it uses less digits than its factorization.

4139446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069725.

The product of its digits is 10368, while the sum is 31.

The square root of 4139446 is about 2034.5628523100. The cubic root of 4139446 is about 160.5637147034.

The spelling of 4139446 in words is "four million, one hundred thirty-nine thousand, four hundred forty-six".