4172349 has 4 divisors (see below), whose sum is σ = 5563136. Its totient is φ = 2781564.

The previous prime is 4172341. The next prime is 4172353. The reversal of 4172349 is 9432714.

It is a happy number.

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 not a de Polignac number, because 4172349 - 2³ = 4172341 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4172341) 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, 695389 + ... + 695394.

It is an arithmetic number, because the mean of its divisors is an integer number (1390784).

Almost surely, 2^4172349 is an apocalyptic number.

It is an amenable number.

4172349 is a deficient number, since it is larger than the sum of its proper divisors (1390787).

4172349 is a wasteful number, since it uses less digits than its factorization.

4172349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390786.

The product of its digits is 6048, while the sum is 30.

The square root of 4172349 is about 2042.6328598160. The cubic root of 4172349 is about 160.9880139734.

It can be divided in two parts, 41 and 72349, that added together give a triangular number (72390 = T₃₈₀).

The spelling of 4172349 in words is "four million, one hundred seventy-two thousand, three hundred forty-nine".