2659942 has 4 divisors (see below), whose sum is σ = 3989916. Its totient is φ = 1329970.

The previous prime is 2659931. The next prime is 2659949. The reversal of 2659942 is 2499562.

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

It is a super-3 number, since 3×2659942³ = 56459594617333574664, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2659949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664984 + ... + 664987.

It is an arithmetic number, because the mean of its divisors is an integer number (997479).

2^2659942 is an apocalyptic number.

2659942 is a deficient number, since it is larger than the sum of its proper divisors (1329974).

2659942 is a wasteful number, since it uses less digits than its factorization.

2659942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329973.

The product of its digits is 38880, while the sum is 37.

The square root of 2659942 is about 1630.9328618922. The cubic root of 2659942 is about 138.5555911633. Note that the first 4 decimals are identical.

The spelling of 2659942 in words is "two million, six hundred fifty-nine thousand, nine hundred forty-two".