87439548 has 24 divisors (see below), whose sum is σ = 233172352. Its totient is φ = 24982704.

The previous prime is 87439543. The next prime is 87439567. The reversal of 87439548 is 84593478.

It is a junction number, because it is equal to n+sod(n) for n = 87439497 and 87439506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87439543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520390 + ... + 520557.

Almost surely, 2^87439548 is an apocalyptic number.

It is an amenable number.

87439548 is an abundant number, since it is smaller than the sum of its proper divisors (145732804).

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

87439548 is a wasteful number, since it uses less digits than its factorization.

87439548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040961 (or 1040959 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 87439548 is about 9350.9116133134. The cubic root of 87439548 is about 443.8497381311.

The spelling of 87439548 in words is "eighty-seven million, four hundred thirty-nine thousand, five hundred forty-eight".