87949320 has 32 divisors (see below), whose sum is σ = 263848320. Its totient is φ = 23453120.

The previous prime is 87949307. The next prime is 87949321. The reversal of 87949320 is 2394978.

It is not an unprimeable number, because it can be changed into a prime (87949321) 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, 366336 + ... + 366575.

It is an arithmetic number, because the mean of its divisors is an integer number (8245260).

Almost surely, 2^87949320 is an apocalyptic number.

It is an amenable number.

87949320 is an abundant number, since it is smaller than the sum of its proper divisors (175899000).

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

87949320 is a wasteful number, since it uses less digits than its factorization.

87949320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732925 (or 732921 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 87949320 is about 9378.1298775396. The cubic root of 87949320 is about 444.7106143600.

The spelling of 87949320 in words is "eighty-seven million, nine hundred forty-nine thousand, three hundred twenty".