3952669 has 4 divisors (see below), whose sum is σ = 4517344. Its totient is φ = 3387996.

The previous prime is 3952651. The next prime is 3952679. The reversal of 3952669 is 9662593.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9662593 = 41 ⋅235673.

It is a cyclic number.

It is not a de Polignac number, because 3952669 - 2²¹ = 1855517 is a prime.

It is a super-2 number, since 2×3952669² = 31247184447122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3952649) 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, 282327 + ... + 282340.

It is an arithmetic number, because the mean of its divisors is an integer number (1129336).

Almost surely, 2^3952669 is an apocalyptic number.

It is an amenable number.

3952669 is a deficient number, since it is larger than the sum of its proper divisors (564675).

3952669 is an equidigital number, since it uses as much as digits as its factorization.

3952669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564674.

The product of its digits is 87480, while the sum is 40.

The square root of 3952669 is about 1988.1320378687. The cubic root of 3952669 is about 158.1115086366. Note that the first 3 decimals are identical.

The spelling of 3952669 in words is "three million, nine hundred fifty-two thousand, six hundred sixty-nine".