42949311 has 8 divisors (see below), whose sum is σ = 57296304. Its totient is φ = 28617600.

The previous prime is 42949301. The next prime is 42949337. The reversal of 42949311 is 11394924.

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

It is not a de Polignac number, because 42949311 - 2⁵ = 42949279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42949301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7735 + ... + 12071.

It is an arithmetic number, because the mean of its divisors is an integer number (7162038).

Almost surely, 2^42949311 is an apocalyptic number.

42949311 is a deficient number, since it is larger than the sum of its proper divisors (14346993).

42949311 is a wasteful number, since it uses less digits than its factorization.

42949311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7641.

The product of its digits is 7776, while the sum is 33.

The square root of 42949311 is about 6553.5723845854. The cubic root of 42949311 is about 350.2020900934.

The spelling of 42949311 in words is "forty-two million, nine hundred forty-nine thousand, three hundred eleven".