2342138 has 4 divisors (see below), whose sum is σ = 3513210. Its totient is φ = 1171068.

The previous prime is 2342129. The next prime is 2342173. The reversal of 2342138 is 8312432.

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

It can be written as a sum of positive squares in only one way, i.e., 2036329 + 305809 = 1427^2 + 553^2 .

It is a super-2 number, since 2×2342138² = 10971220822088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585533 + ... + 585536.

2^2342138 is an apocalyptic number.

2342138 is a deficient number, since it is larger than the sum of its proper divisors (1171072).

2342138 is a wasteful number, since it uses less digits than its factorization.

2342138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171071.

The product of its digits is 1152, while the sum is 23.

The square root of 2342138 is about 1530.4045216870. The cubic root of 2342138 is about 132.8018607302.

The spelling of 2342138 in words is "two million, three hundred forty-two thousand, one hundred thirty-eight".