46171820 has 24 divisors (see below), whose sum is σ = 97254864. Its totient is φ = 18412736.

The previous prime is 46171817. The next prime is 46171841. The reversal of 46171820 is 2817164.

It is a super-2 number, since 2×46171820² = 4263673924224800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3614 + ... + 10266.

It is an arithmetic number, because the mean of its divisors is an integer number (4052286).

Almost surely, 2^46171820 is an apocalyptic number.

It is an amenable number.

46171820 is an abundant number, since it is smaller than the sum of its proper divisors (51083044).

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

46171820 is a wasteful number, since it uses less digits than its factorization.

46171820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7009 (or 7007 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 46171820 is about 6794.9849153622. The cubic root of 46171820 is about 358.7503482294.

Adding to 46171820 its reverse (2817164), we get a palindrome (48988984).

The spelling of 46171820 in words is "forty-six million, one hundred seventy-one thousand, eight hundred twenty".