3342639 has 4 divisors (see below), whose sum is σ = 4456856. Its totient is φ = 2228424.

The previous prime is 3342629. The next prime is 3342667. The reversal of 3342639 is 9362433.

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

It is not a de Polignac number, because 3342639 - 2⁴ = 3342623 is a prime.

It is a super-2 number, since 2×3342639² = 22346470968642, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3342629) 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, 557104 + ... + 557109.

It is an arithmetic number, because the mean of its divisors is an integer number (1114214).

Almost surely, 2^3342639 is an apocalyptic number.

3342639 is a deficient number, since it is larger than the sum of its proper divisors (1114217).

3342639 is a wasteful number, since it uses less digits than its factorization.

3342639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114216.

The product of its digits is 11664, while the sum is 30.

The square root of 3342639 is about 1828.2885439667. The cubic root of 3342639 is about 149.5190372583.

The spelling of 3342639 in words is "three million, three hundred forty-two thousand, six hundred thirty-nine".