3462721 has 4 divisors (see below), whose sum is σ = 3479344. Its totient is φ = 3446100.

The previous prime is 3462707. The next prime is 3462743. The reversal of 3462721 is 1272643.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3462721 - 2⁷ = 3462593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3462751) 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, 7995 + ... + 8416.

It is an arithmetic number, because the mean of its divisors is an integer number (869836).

Almost surely, 2^3462721 is an apocalyptic number.

It is an amenable number.

3462721 is a deficient number, since it is larger than the sum of its proper divisors (16623).

3462721 is a wasteful number, since it uses less digits than its factorization.

3462721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16622.

The product of its digits is 2016, while the sum is 25.

The square root of 3462721 is about 1860.8387893635. The cubic root of 3462721 is about 151.2884709644.

The spelling of 3462721 in words is "three million, four hundred sixty-two thousand, seven hundred twenty-one".