949840 has 40 divisors (see below), whose sum is σ = 2285568. Its totient is φ = 366720.

The previous prime is 949811. The next prime is 949849. The reversal of 949840 is 48949.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 949796 and 949805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2289 + ... + 2671.

2⁹⁴⁹⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 949840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142784).

949840 is an abundant number, since it is smaller than the sum of its proper divisors (1335728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

949840 is a wasteful number, since it uses less digits than its factorization.

949840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 949840 is about 974.5973527565. The cubic root of 949840 is about 98.2992380757.

The spelling of 949840 in words is "nine hundred forty-nine thousand, eight hundred forty".