3909442 has 8 divisors (see below), whose sum is σ = 5944716. Its totient is φ = 1927872.

The previous prime is 3909427. The next prime is 3909463. The reversal of 3909442 is 2449093.

It can be written as a sum of positive squares in 2 ways, for example, as 3806401 + 103041 = 1951^2 + 321^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13243 + ... + 13534.

Almost surely, 2^3909442 is an apocalyptic number.

3909442 is a deficient number, since it is larger than the sum of its proper divisors (2035274).

3909442 is a wasteful number, since it uses less digits than its factorization.

3909442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26852.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 3909442 is about 1977.2308919294. The cubic root of 3909442 is about 157.5330173494.

The spelling of 3909442 in words is "three million, nine hundred nine thousand, four hundred forty-two".