2085487398 has 40 divisors (see below), whose sum is σ = 4749666240. Its totient is φ = 683763120.

The previous prime is 2085487379. The next prime is 2085487399. The reversal of 2085487398 is 8937845802.

It is a happy number.

2085487398 is a `hidden beast` number, since 2 + 0 + 8 + 548 + 7 + 3 + 98 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085487399) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 95638 + ... + 115401.

It is an arithmetic number, because the mean of its divisors is an integer number (118741656).

Almost surely, 2^2085487398 is an apocalyptic number.

2085487398 is an abundant number, since it is smaller than the sum of its proper divisors (2664178842).

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

2085487398 is a wasteful number, since it uses less digits than its factorization.

2085487398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211114 (or 211105 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The square root of 2085487398 is about 45667.1369586489. The cubic root of 2085487398 is about 1277.6224170536.

The spelling of 2085487398 in words is "two billion, eighty-five million, four hundred eighty-seven thousand, three hundred ninety-eight".