949681 has 4 divisors (see below), whose sum is σ = 951664. Its totient is φ = 947700.

The previous prime is 949673. The next prime is 949687. The reversal of 949681 is 186949.

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 949681 - 2³ = 949673 is a prime.

It is a super-2 number, since 2×949681² = 1803788003522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 949681.

It is not an unprimeable number, because it can be changed into a prime (949687) 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, 226 + ... + 1396.

It is an arithmetic number, because the mean of its divisors is an integer number (237916).

2⁹⁴⁹⁶⁸¹ is an apocalyptic number.

It is an amenable number.

949681 is a deficient number, since it is larger than the sum of its proper divisors (1983).

949681 is a wasteful number, since it uses less digits than its factorization.

949681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982.

The product of its digits is 15552, while the sum is 37.

The square root of 949681 is about 974.5157771940. The cubic root of 949681 is about 98.2937527831.

The spelling of 949681 in words is "nine hundred forty-nine thousand, six hundred eighty-one".