2838531 has 4 divisors (see below), whose sum is σ = 3784712. Its totient is φ = 1892352.

The previous prime is 2838487. The next prime is 2838547. The reversal of 2838531 is 1358382.

It is a happy number.

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

It is not a de Polignac number, because 2838531 - 2¹⁵ = 2805763 is a prime.

It is a super-2 number, since 2×2838531² = 16114516475922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2838631) 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, 473086 + ... + 473091.

It is an arithmetic number, because the mean of its divisors is an integer number (946178).

2^2838531 is an apocalyptic number.

2838531 is a deficient number, since it is larger than the sum of its proper divisors (946181).

2838531 is an equidigital number, since it uses as much as digits as its factorization.

2838531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946180.

The product of its digits is 5760, while the sum is 30.

The square root of 2838531 is about 1684.7940526961. The cubic root of 2838531 is about 141.5895540349.

The spelling of 2838531 in words is "two million, eight hundred thirty-eight thousand, five hundred thirty-one".