46638740 has 12 divisors (see below), whose sum is σ = 97941396. Its totient is φ = 18655488.

The previous prime is 46638721. The next prime is 46638743. The reversal of 46638740 is 4783664.

It is a happy number.

46638740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33779344 + 12859396 = 5812^2 + 3586^2 .

It is a junction number, because it is equal to n+sod(n) for n = 46638694 and 46638703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46638743) 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, 1165949 + ... + 1165988.

It is an arithmetic number, because the mean of its divisors is an integer number (8161783).

Almost surely, 2^46638740 is an apocalyptic number.

It is an amenable number.

46638740 is an abundant number, since it is smaller than the sum of its proper divisors (51302656).

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

46638740 is a wasteful number, since it uses less digits than its factorization.

46638740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331946 (or 2331944 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 46638740 is about 6829.2561820450. The cubic root of 46638740 is about 359.9556015205.

The spelling of 46638740 in words is "forty-six million, six hundred thirty-eight thousand, seven hundred forty".