3149669 has 4 divisors (see below), whose sum is σ = 3153696. Its totient is φ = 3145644.

The previous prime is 3149659. The next prime is 3149677. The reversal of 3149669 is 9669413.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3149669 - 2¹² = 3145573 is a prime.

It is a super-2 number, since 2×3149669² = 19840829619122, 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 (3149609) 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, 419 + ... + 2544.

It is an arithmetic number, because the mean of its divisors is an integer number (788424).

Almost surely, 2^3149669 is an apocalyptic number.

It is an amenable number.

3149669 is a deficient number, since it is larger than the sum of its proper divisors (4027).

3149669 is a wasteful number, since it uses less digits than its factorization.

3149669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026.

The product of its digits is 34992, while the sum is 38.

The square root of 3149669 is about 1774.7306837940. The cubic root of 3149669 is about 146.5845861897.

The spelling of 3149669 in words is "three million, one hundred forty-nine thousand, six hundred sixty-nine".