3721634 has 8 divisors (see below), whose sum is σ = 6379968. Its totient is φ = 1594980.

The previous prime is 3721631. The next prime is 3721673. The reversal of 3721634 is 4361273.

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

It is not an unprimeable number, because it can be changed into a prime (3721631) 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, 132902 + ... + 132929.

It is an arithmetic number, because the mean of its divisors is an integer number (797496).

Almost surely, 2^3721634 is an apocalyptic number.

3721634 is a deficient number, since it is larger than the sum of its proper divisors (2658334).

3721634 is a wasteful number, since it uses less digits than its factorization.

3721634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265840.

The product of its digits is 3024, while the sum is 26.

The square root of 3721634 is about 1929.1537004604. The cubic root of 3721634 is about 154.9689011490.

The spelling of 3721634 in words is "three million, seven hundred twenty-one thousand, six hundred thirty-four".