4169949 has 24 divisors (see below), whose sum is σ = 6812640. Its totient is φ = 2255904.

The previous prime is 4169941. The next prime is 4169951. The reversal of 4169949 is 9499614.

It is not a de Polignac number, because 4169949 - 2³ = 4169941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4169949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4169941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2047 + ... + 3539.

It is an arithmetic number, because the mean of its divisors is an integer number (283860).

Almost surely, 2^4169949 is an apocalyptic number.

4169949 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4169949 is a deficient number, since it is larger than the sum of its proper divisors (2642691).

4169949 is a wasteful number, since it uses less digits than its factorization.

4169949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1522 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 4169949 is about 2042.0452982243. The cubic root of 4169949 is about 160.9571404503.

The spelling of 4169949 in words is "four million, one hundred sixty-nine thousand, nine hundred forty-nine".