949921 has 8 divisors (see below), whose sum is σ = 1097600. Its totient is φ = 805248.

The previous prime is 949903. The next prime is 949931. The reversal of 949921 is 129949.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 949921 - 2⁵ = 949889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (949931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21 + ... + 1378.

It is an arithmetic number, because the mean of its divisors is an integer number (137200).

2⁹⁴⁹⁹²¹ is an apocalyptic number.

It is an amenable number.

949921 is a deficient number, since it is larger than the sum of its proper divisors (147679).

949921 is a wasteful number, since it uses less digits than its factorization.

949921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503.

The product of its digits is 5832, while the sum is 34.

The square root of 949921 is about 974.6389074934. The cubic root of 949921 is about 98.3020322347.

The spelling of 949921 in words is "nine hundred forty-nine thousand, nine hundred twenty-one".