8049399 has 4 divisors (see below), whose sum is σ = 10732536. Its totient is φ = 5366264.

The previous prime is 8049383. The next prime is 8049401. The reversal of 8049399 is 9939408.

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

It is a cyclic number.

It is not a de Polignac number, because 8049399 - 2⁴ = 8049383 is a prime.

It is a super-2 number, since 2×8049399² = 129585648522402, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8049399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8041399) 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, 1341564 + ... + 1341569.

It is an arithmetic number, because the mean of its divisors is an integer number (2683134).

Almost surely, 2^8049399 is an apocalyptic number.

8049399 is a deficient number, since it is larger than the sum of its proper divisors (2683137).

8049399 is a wasteful number, since it uses less digits than its factorization.

8049399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683136.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 8049399 is about 2837.1462775120. The cubic root of 8049399 is about 200.4108139152.

It can be divided in two parts, 8049 and 399, that added together give a palindrome (8448).

The spelling of 8049399 in words is "eight million, forty-nine thousand, three hundred ninety-nine".