3391949 has 4 divisors (see below), whose sum is σ = 3700320. Its totient is φ = 3083580.

The previous prime is 3391939. The next prime is 3391957. The reversal of 3391949 is 9491933.

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 3391949 - 2⁴ = 3391933 is a prime.

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 (3391909) 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, 154169 + ... + 154190.

It is an arithmetic number, because the mean of its divisors is an integer number (925080).

Almost surely, 2^3391949 is an apocalyptic number.

It is an amenable number.

3391949 is a deficient number, since it is larger than the sum of its proper divisors (308371).

3391949 is a wasteful number, since it uses less digits than its factorization.

3391949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308370.

The product of its digits is 26244, while the sum is 38.

The square root of 3391949 is about 1841.7244636481. The cubic root of 3391949 is about 150.2506771361.

The spelling of 3391949 in words is "three million, three hundred ninety-one thousand, nine hundred forty-nine".