3649934 has 8 divisors (see below), whose sum is σ = 5797008. Its totient is φ = 1717600.

The previous prime is 3649931. The next prime is 3649949. The reversal of 3649934 is 4399463.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53642 + ... + 53709.

It is an arithmetic number, because the mean of its divisors is an integer number (724626).

Almost surely, 2^3649934 is an apocalyptic number.

3649934 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3649934 is a deficient number, since it is larger than the sum of its proper divisors (2147074).

3649934 is a wasteful number, since it uses less digits than its factorization.

3649934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107370.

The product of its digits is 69984, while the sum is 38.

The square root of 3649934 is about 1910.4800443868. The cubic root of 3649934 is about 153.9672443968.

The spelling of 3649934 in words is "three million, six hundred forty-nine thousand, nine hundred thirty-four".