6401674 has 4 divisors (see below), whose sum is σ = 9602514. Its totient is φ = 3200836.

The previous prime is 6401669. The next prime is 6401687. The reversal of 6401674 is 4761046.

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

It can be written as a sum of positive squares in only one way, i.e., 5489649 + 912025 = 2343^2 + 955^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1600417 + ... + 1600420.

Almost surely, 2^6401674 is an apocalyptic number.

6401674 is a deficient number, since it is larger than the sum of its proper divisors (3200840).

6401674 is a wasteful number, since it uses less digits than its factorization.

6401674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200839.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 6401674 is about 2530.1529598030. The cubic root of 6401674 is about 185.6797394744.

The spelling of 6401674 in words is "six million, four hundred one thousand, six hundred seventy-four".