87292452 has 48 divisors (see below), whose sum is σ = 228896640. Its totient is φ = 25690368.

The previous prime is 87292423. The next prime is 87292453. The reversal of 87292452 is 25429278.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 87292452.

It is not an unprimeable number, because it can be changed into a prime (87292453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8577 + ... + 15752.

It is an arithmetic number, because the mean of its divisors is an integer number (4768680).

Almost surely, 2^87292452 is an apocalyptic number.

It is an amenable number.

87292452 is an abundant number, since it is smaller than the sum of its proper divisors (141604188).

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

87292452 is a wasteful number, since it uses less digits than its factorization.

87292452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24372 (or 24370 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 87292452 is about 9343.0429732502. The cubic root of 87292452 is about 443.6007083059.

The spelling of 87292452 in words is "eighty-seven million, two hundred ninety-two thousand, four hundred fifty-two".