87403448 has 48 divisors (see below), whose sum is σ = 185313960. Its totient is φ = 38326400.

The previous prime is 87403441. The next prime is 87403451. The reversal of 87403448 is 84430478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87403441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73418 + ... + 74598.

Almost surely, 2^87403448 is an apocalyptic number.

87403448 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87403448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92656980).

87403448 is an abundant number, since it is smaller than the sum of its proper divisors (97910512).

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

87403448 is a wasteful number, since it uses less digits than its factorization.

87403448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 1223 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 87403448 is about 9348.9811209564. The cubic root of 87403448 is about 443.7886476159.

The spelling of 87403448 in words is "eighty-seven million, four hundred three thousand, four hundred forty-eight".