6215798 has 4 divisors (see below), whose sum is σ = 9323700. Its totient is φ = 3107898.

The previous prime is 6215789. The next prime is 6215813. The reversal of 6215798 is 8975126.

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

It is a super-2 number, since 2×6215798² = 77272289553608, which contains 22 as substring.

It is a Curzon number.

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, 1553948 + ... + 1553951.

It is an arithmetic number, because the mean of its divisors is an integer number (2330925).

Almost surely, 2^6215798 is an apocalyptic number.

6215798 is a deficient number, since it is larger than the sum of its proper divisors (3107902).

6215798 is a wasteful number, since it uses less digits than its factorization.

6215798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107901.

The product of its digits is 30240, while the sum is 38.

The square root of 6215798 is about 2493.1502160921. The cubic root of 6215798 is about 183.8649568351.

The spelling of 6215798 in words is "six million, two hundred fifteen thousand, seven hundred ninety-eight".