3630347 has 4 divisors (see below), whose sum is σ = 4148976. Its totient is φ = 3111720.

The previous prime is 3630331. The next prime is 3630359. The reversal of 3630347 is 7430363.

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

It is a cyclic number.

It is not a de Polignac number, because 3630347 - 2⁴ = 3630331 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3630377) 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, 259304 + ... + 259317.

It is an arithmetic number, because the mean of its divisors is an integer number (1037244).

Almost surely, 2^3630347 is an apocalyptic number.

3630347 is a deficient number, since it is larger than the sum of its proper divisors (518629).

3630347 is an equidigital number, since it uses as much as digits as its factorization.

3630347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518628.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 3630347 is about 1905.3469500330. The cubic root of 3630347 is about 153.6913337328.

The spelling of 3630347 in words is "three million, six hundred thirty thousand, three hundred forty-seven".