6121849 has 4 divisors (see below), whose sum is σ = 6319360. Its totient is φ = 5924340.

The previous prime is 6121847. The next prime is 6121861. The reversal of 6121849 is 9481216.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6121849 - 2¹ = 6121847 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 197479 = 6121849 / (6 + 1 + 2 + 1 + 8 + 4 + 9).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6121849.

It is not an unprimeable number, because it can be changed into a prime (6121847) 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, 98709 + ... + 98770.

It is an arithmetic number, because the mean of its divisors is an integer number (1579840).

Almost surely, 2^6121849 is an apocalyptic number.

It is an amenable number.

6121849 is a deficient number, since it is larger than the sum of its proper divisors (197511).

6121849 is a wasteful number, since it uses less digits than its factorization.

6121849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197510.

The product of its digits is 3456, while the sum is 31.

The square root of 6121849 is about 2474.2370541240. The cubic root of 6121849 is about 182.9339046844.

The spelling of 6121849 in words is "six million, one hundred twenty-one thousand, eight hundred forty-nine".