4013669 has 4 divisors (see below), whose sum is σ = 4378560. Its totient is φ = 3648780.

The previous prime is 4013651. The next prime is 4013671. The reversal of 4013669 is 9663104.

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 4013669 - 2²⁰ = 2965093 is a prime.

It is a super-2 number, since 2×4013669² = 32219077683122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013699) 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, 182429 + ... + 182450.

It is an arithmetic number, because the mean of its divisors is an integer number (1094640).

Almost surely, 2^4013669 is an apocalyptic number.

It is an amenable number.

4013669 is a deficient number, since it is larger than the sum of its proper divisors (364891).

4013669 is a wasteful number, since it uses less digits than its factorization.

4013669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364890.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 4013669 is about 2003.4143355781. The cubic root of 4013669 is about 158.9207178281.

The spelling of 4013669 in words is "four million, thirteen thousand, six hundred sixty-nine".