46779636 has 12 divisors (see below), whose sum is σ = 109152512. Its totient is φ = 15593208.

The previous prime is 46779599. The next prime is 46779637. The reversal of 46779636 is 63697764.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46779637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1949140 + ... + 1949163.

Almost surely, 2^46779636 is an apocalyptic number.

It is an amenable number.

46779636 is an abundant number, since it is smaller than the sum of its proper divisors (62372876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46779636 is a wasteful number, since it uses less digits than its factorization.

46779636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898310 (or 3898308 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 48.

The square root of 46779636 is about 6839.5640211932. The cubic root of 46779636 is about 360.3177133509.

The spelling of 46779636 in words is "forty-six million, seven hundred seventy-nine thousand, six hundred thirty-six".