46781949 has 8 divisors (see below), whose sum is σ = 64061920. Its totient is φ = 30344976.

The previous prime is 46781939. The next prime is 46781951. The reversal of 46781949 is 94918764.

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

It is not a de Polignac number, because 46781949 - 2¹³ = 46773757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46781898 and 46781907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46781929) 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, 210619 + ... + 210840.

It is an arithmetic number, because the mean of its divisors is an integer number (8007740).

Almost surely, 2^46781949 is an apocalyptic number.

It is an amenable number.

46781949 is a deficient number, since it is larger than the sum of its proper divisors (17279971).

46781949 is a wasteful number, since it uses less digits than its factorization.

46781949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421499.

The product of its digits is 435456, while the sum is 48.

The square root of 46781949 is about 6839.7331088282. The cubic root of 46781949 is about 360.3236518404.

The spelling of 46781949 in words is "forty-six million, seven hundred eighty-one thousand, nine hundred forty-nine".