3704921 has 8 divisors (see below), whose sum is σ = 4151424. Its totient is φ = 3276720.

The previous prime is 3704887. The next prime is 3704941. The reversal of 3704921 is 1294073.

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

It is not a de Polignac number, because 3704921 - 2¹⁴ = 3688537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3704941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4145 + ... + 4958.

It is an arithmetic number, because the mean of its divisors is an integer number (518928).

Almost surely, 2^3704921 is an apocalyptic number.

It is an amenable number.

3704921 is a deficient number, since it is larger than the sum of its proper divisors (446503).

3704921 is a wasteful number, since it uses less digits than its factorization.

3704921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9151.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 3704921 is about 1924.8171341715. The cubic root of 3704921 is about 154.7365764971.

Adding to 3704921 its reverse (1294073), we get a palindrome (4998994).

The spelling of 3704921 in words is "three million, seven hundred four thousand, nine hundred twenty-one".