3909046 has 4 divisors (see below), whose sum is σ = 5863572. Its totient is φ = 1954522.

The previous prime is 3909043. The next prime is 3909049. The reversal of 3909046 is 6409093.

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

It is an interprime number because it is at equal distance from previous prime (3909043) and next prime (3909049).

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 junction number, because it is equal to n+sod(n) for n = 3908999 and 3909017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3909043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977260 + ... + 977263.

It is an arithmetic number, because the mean of its divisors is an integer number (1465893).

Almost surely, 2^3909046 is an apocalyptic number.

3909046 is a deficient number, since it is larger than the sum of its proper divisors (1954526).

3909046 is a wasteful number, since it uses less digits than its factorization.

3909046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954525.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 3909046 is about 1977.1307493436. The cubic root of 3909046 is about 157.5276981605.

The spelling of 3909046 in words is "three million, nine hundred nine thousand, forty-six".