2857534 has 4 divisors (see below), whose sum is σ = 4286304. Its totient is φ = 1428766.

The previous prime is 2857531. The next prime is 2857541. The reversal of 2857534 is 4357582.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4357582 = 2 ⋅2178791.

It is a super-2 number, since 2×2857534² = 16331001122312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2857534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714382 + ... + 714385.

It is an arithmetic number, because the mean of its divisors is an integer number (1071576).

2^2857534 is an apocalyptic number.

2857534 is a deficient number, since it is larger than the sum of its proper divisors (1428770).

2857534 is a wasteful number, since it uses less digits than its factorization.

2857534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428769.

The product of its digits is 33600, while the sum is 34.

The square root of 2857534 is about 1690.4242071149. The cubic root of 2857534 is about 141.9048161959.

The spelling of 2857534 in words is "two million, eight hundred fifty-seven thousand, five hundred thirty-four".