6374991 has 8 divisors (see below), whose sum is σ = 9714304. Its totient is φ = 3642840.

The previous prime is 6374987. The next prime is 6375023. The reversal of 6374991 is 1994736.

6374991 = T₄₁₈ + T₄₁₉ + ... + T₄₈₀.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6374991 - 2² = 6374987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6374911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151765 + ... + 151806.

It is an arithmetic number, because the mean of its divisors is an integer number (1214288).

Almost surely, 2^6374991 is an apocalyptic number.

6374991 is a deficient number, since it is larger than the sum of its proper divisors (3339313).

6374991 is a wasteful number, since it uses less digits than its factorization.

6374991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303581.

The product of its digits is 40824, while the sum is 39.

The square root of 6374991 is about 2524.8744523243. The cubic root of 6374991 is about 185.4214012061.

The spelling of 6374991 in words is "six million, three hundred seventy-four thousand, nine hundred ninety-one".