2864542 has 4 divisors (see below), whose sum is σ = 4296816. Its totient is φ = 1432270.

The previous prime is 2864539. The next prime is 2864557. The reversal of 2864542 is 2454682.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716134 + ... + 716137.

It is an arithmetic number, because the mean of its divisors is an integer number (1074204).

2^2864542 is an apocalyptic number.

2864542 is a deficient number, since it is larger than the sum of its proper divisors (1432274).

2864542 is a wasteful number, since it uses less digits than its factorization.

2864542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432273.

The product of its digits is 15360, while the sum is 31.

The square root of 2864542 is about 1692.4957902459. The cubic root of 2864542 is about 142.0207269883.

The spelling of 2864542 in words is "two million, eight hundred sixty-four thousand, five hundred forty-two".