2791538 has 8 divisors (see below), whose sum is σ = 4213488. Its totient is φ = 1387044.

The previous prime is 2791531. The next prime is 2791541. The reversal of 2791538 is 8351972.

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

It is a junction number, because it is equal to n+sod(n) for n = 2791498 and 2791507.

It is not an unprimeable number, because it can be changed into a prime (2791531) 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, 3956 + ... + 4607.

It is an arithmetic number, because the mean of its divisors is an integer number (526686).

2^2791538 is an apocalyptic number.

2791538 is a deficient number, since it is larger than the sum of its proper divisors (1421950).

2791538 is a wasteful number, since it uses less digits than its factorization.

2791538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8728.

The product of its digits is 15120, while the sum is 35.

The square root of 2791538 is about 1670.7896336762. The cubic root of 2791538 is about 140.8038450762.

The spelling of 2791538 in words is "two million, seven hundred ninety-one thousand, five hundred thirty-eight".