2917138 has 8 divisors (see below), whose sum is σ = 5000832. Its totient is φ = 1250196.

The previous prime is 2917129. The next prime is 2917147. The reversal of 2917138 is 8317192.

It is an interprime number because it is at equal distance from previous prime (2917129) and next prime (2917147).

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

It is a super-2 number, since 2×2917138² = 17019388222088, which contains 22 as substring.

It is a congruent number.

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, 104170 + ... + 104197.

It is an arithmetic number, because the mean of its divisors is an integer number (625104).

2^2917138 is an apocalyptic number.

2917138 is a deficient number, since it is larger than the sum of its proper divisors (2083694).

2917138 is a wasteful number, since it uses less digits than its factorization.

2917138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208376.

The product of its digits is 3024, while the sum is 31.

The square root of 2917138 is about 1707.9631143558. The cubic root of 2917138 is about 142.8846772641.

The spelling of 2917138 in words is "two million, nine hundred seventeen thousand, one hundred thirty-eight".