3522947 has 4 divisors (see below), whose sum is σ = 3604920. Its totient is φ = 3440976.

The previous prime is 3522917. The next prime is 3522971. The reversal of 3522947 is 7492253.

It is a happy number.

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 3522947 - 2¹⁰ = 3521923 is a prime.

It is a super-2 number, since 2×3522947² = 24822311129618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3522917) 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, 40922 + ... + 41007.

It is an arithmetic number, because the mean of its divisors is an integer number (901230).

Almost surely, 2^3522947 is an apocalyptic number.

3522947 is a deficient number, since it is larger than the sum of its proper divisors (81973).

3522947 is an equidigital number, since it uses as much as digits as its factorization.

3522947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81972.

The product of its digits is 15120, while the sum is 32.

The square root of 3522947 is about 1876.9515177543. The cubic root of 3522947 is about 152.1605384862.

The spelling of 3522947 in words is "three million, five hundred twenty-two thousand, nine hundred forty-seven".