46645990 has 32 divisors (see below), whose sum is σ = 86067360. Its totient is φ = 18196224.

The previous prime is 46645913. The next prime is 46645999. The reversal of 46645990 is 9954664.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46645999) 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, 101842 + ... + 102298.

It is an arithmetic number, because the mean of its divisors is an integer number (2689605).

Almost surely, 2^46645990 is an apocalyptic number.

46645990 is a deficient number, since it is larger than the sum of its proper divisors (39421370).

46645990 is a wasteful number, since it uses less digits than its factorization.

46645990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 46645990 is about 6829.7869659309. The cubic root of 46645990 is about 359.9742522738.

The spelling of 46645990 in words is "forty-six million, six hundred forty-five thousand, nine hundred ninety".