87393460 has 144 divisors (see below), whose sum is σ = 238327488. Its totient is φ = 26832960.

The previous prime is 87393389. The next prime is 87393463. The reversal of 87393460 is 6439378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87393463) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1304347 + ... + 1304413.

It is an arithmetic number, because the mean of its divisors is an integer number (1655052).

Almost surely, 2^87393460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87393460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119163744).

87393460 is an abundant number, since it is smaller than the sum of its proper divisors (150934028).

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

87393460 is a wasteful number, since it uses less digits than its factorization.

87393460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 87393460 is about 9348.4469298381. The cubic root of 87393460 is about 443.7717423718.

The spelling of 87393460 in words is "eighty-seven million, three hundred ninety-three thousand, four hundred sixty".