949749 has 4 divisors (see below), whose sum is σ = 1266336. Its totient is φ = 633164.

The previous prime is 949733. The next prime is 949759. The reversal of 949749 is 947949.

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 949749 - 2⁴ = 949733 is a prime.

It is a D-number.

949749 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 949749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949759) 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, 158289 + ... + 158294.

It is an arithmetic number, because the mean of its divisors is an integer number (316584).

2⁹⁴⁹⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

949749 is a deficient number, since it is larger than the sum of its proper divisors (316587).

949749 is a wasteful number, since it uses less digits than its factorization.

949749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316586.

The product of its digits is 81648, while the sum is 42.

The square root of 949749 is about 974.5506656916. The cubic root of 949749 is about 98.2960987693.

The spelling of 949749 in words is "nine hundred forty-nine thousand, seven hundred forty-nine".