89759940 has 24 divisors (see below), whose sum is σ = 251328000. Its totient is φ = 23935968.

The previous prime is 89759867. The next prime is 89759941. The reversal of 89759940 is 4995798.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (89759941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747940 + ... + 748059.

It is an arithmetic number, because the mean of its divisors is an integer number (10472000).

Almost surely, 2^89759940 is an apocalyptic number.

It is an amenable number.

89759940 is an abundant number, since it is smaller than the sum of its proper divisors (161568060).

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

89759940 is a wasteful number, since it uses less digits than its factorization.

89759940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496011 (or 1496009 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 89759940 is about 9474.1722593586. The cubic root of 89759940 is about 447.7416731911.

It can be divided in two parts, 8975 and 9940, that added together give a triangular number (18915 = T₁₉₄).

The spelling of 89759940 in words is "eighty-nine million, seven hundred fifty-nine thousand, nine hundred forty".