46640665 has 16 divisors (see below), whose sum is σ = 58599936. Its totient is φ = 35569600.

The previous prime is 46640663. The next prime is 46640669. The reversal of 46640665 is 56604664.

It is not a de Polignac number, because 46640665 - 2¹ = 46640663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46640663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49095 + ... + 50035.

It is an arithmetic number, because the mean of its divisors is an integer number (3662496).

Almost surely, 2^46640665 is an apocalyptic number.

It is an amenable number.

46640665 is a deficient number, since it is larger than the sum of its proper divisors (11959271).

46640665 is a wasteful number, since it uses less digits than its factorization.

46640665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 46640665 is about 6829.3971183407. The cubic root of 46640665 is about 359.9605538055.

The spelling of 46640665 in words is "forty-six million, six hundred forty thousand, six hundred sixty-five".