48690189 has 6 divisors (see below), whose sum is σ = 70330286. Its totient is φ = 32460120.

The previous prime is 48690143. The next prime is 48690221. The reversal of 48690189 is 98109684.

48690189 is a `hidden beast` number, since 486 + 90 + 1 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 45118089 + 3572100 = 6717^2 + 1890^2 .

It is not a de Polignac number, because 48690189 - 2¹¹ = 48688141 is a prime.

It is a super-3 number, since 3×48690189³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48690589) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2705002 + ... + 2705019.

Almost surely, 2^48690189 is an apocalyptic number.

It is an amenable number.

48690189 is a deficient number, since it is larger than the sum of its proper divisors (21640097).

48690189 is a wasteful number, since it uses less digits than its factorization.

48690189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410027 (or 5410024 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 48690189 is about 6977.8355526624. The cubic root of 48690189 is about 365.1577200407.

The spelling of 48690189 in words is "forty-eight million, six hundred ninety thousand, one hundred eighty-nine".