46637990 has 32 divisors (see below), whose sum is σ = 96215040. Its totient is φ = 15944544.

The previous prime is 46637971. The next prime is 46638017. The reversal of 46637990 is 9973664.

It is a super-2 number, since 2×46637990² = 4350204222480200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31691 + ... + 33129.

It is an arithmetic number, because the mean of its divisors is an integer number (3006720).

Almost surely, 2^46637990 is an apocalyptic number.

46637990 is an abundant number, since it is smaller than the sum of its proper divisors (49577050).

46637990 is a wasteful number, since it uses less digits than its factorization.

46637990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 46637990 is about 6829.2012710126. The cubic root of 46637990 is about 359.9536720219.

The spelling of 46637990 in words is "forty-six million, six hundred thirty-seven thousand, nine hundred ninety".