2865398 has 4 divisors (see below), whose sum is σ = 4298100. Its totient is φ = 1432698.

The previous prime is 2865397. The next prime is 2865413. The reversal of 2865398 is 8935682.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2865397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716348 + ... + 716351.

It is an arithmetic number, because the mean of its divisors is an integer number (1074525).

2^2865398 is an apocalyptic number.

2865398 is a deficient number, since it is larger than the sum of its proper divisors (1432702).

2865398 is a wasteful number, since it uses less digits than its factorization.

2865398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432701.

The product of its digits is 103680, while the sum is 41.

The square root of 2865398 is about 1692.7486523403. The cubic root of 2865398 is about 142.0348720809.

The spelling of 2865398 in words is "two million, eight hundred sixty-five thousand, three hundred ninety-eight".