949645 has 4 divisors (see below), whose sum is σ = 1139580. Its totient is φ = 759712.

The previous prime is 949643. The next prime is 949649. The reversal of 949645 is 546949.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546949 = 13 ⋅42073.

It can be written as a sum of positive squares in 2 ways, for example, as 393129 + 556516 = 627^2 + 746^2 .

It is a cyclic number.

It is not a de Polignac number, because 949645 - 2¹ = 949643 is a prime.

It is a super-3 number, since 3×949645³ = 2569242589879533375, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94960 + ... + 94969.

It is an arithmetic number, because the mean of its divisors is an integer number (284895).

2⁹⁴⁹⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

949645 is a deficient number, since it is larger than the sum of its proper divisors (189935).

949645 is a wasteful number, since it uses less digits than its factorization.

949645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189934.

The product of its digits is 38880, while the sum is 37.

The square root of 949645 is about 974.4973063072. The cubic root of 949645 is about 98.2925107451.

The spelling of 949645 in words is "nine hundred forty-nine thousand, six hundred forty-five".