46991943 has 6 divisors (see below), whose sum is σ = 67877264. Its totient is φ = 31327956.

The previous prime is 46991929. The next prime is 46991953. The reversal of 46991943 is 34919964.

It is not a de Polignac number, because 46991943 - 2⁹ = 46991431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46991953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2610655 + ... + 2610672.

Almost surely, 2^46991943 is an apocalyptic number.

46991943 is a deficient number, since it is larger than the sum of its proper divisors (20885321).

46991943 is a wasteful number, since it uses less digits than its factorization.

46991943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221333 (or 5221330 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 46991943 is about 6855.0669580975. The cubic root of 46991943 is about 360.8619853377.

The spelling of 46991943 in words is "forty-six million, nine hundred ninety-one thousand, nine hundred forty-three".