7487898 has 16 divisors (see below), whose sum is σ = 16337376. Its totient is φ = 2269040.

The previous prime is 7487863. The next prime is 7487911. The reversal of 7487898 is 8987847.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7487898.

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, 56661 + ... + 56792.

It is an arithmetic number, because the mean of its divisors is an integer number (1021086).

Almost surely, 2^7487898 is an apocalyptic number.

7487898 is an abundant number, since it is smaller than the sum of its proper divisors (8849478).

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

7487898 is a wasteful number, since it uses less digits than its factorization.

7487898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113469.

The product of its digits is 903168, while the sum is 51.

The square root of 7487898 is about 2736.4023826916. The cubic root of 7487898 is about 195.6380415385.

Subtracting from 7487898 its sum of digits (51), we obtain a palindrome (7487847).

It can be divided in two parts, 7487 and 898, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 7487898 in words is "seven million, four hundred eighty-seven thousand, eight hundred ninety-eight".