89961774 has 16 divisors (see below), whose sum is σ = 205627008. Its totient is φ = 25703352.

The previous prime is 89961743. The next prime is 89961779. The reversal of 89961774 is 47716998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89961779) 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, 1070932 + ... + 1071015.

It is an arithmetic number, because the mean of its divisors is an integer number (12851688).

Almost surely, 2^89961774 is an apocalyptic number.

89961774 is an abundant number, since it is smaller than the sum of its proper divisors (115665234).

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

89961774 is a wasteful number, since it uses less digits than its factorization.

89961774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141959.

The product of its digits is 762048, while the sum is 51.

The square root of 89961774 is about 9484.8180794362. The cubic root of 89961774 is about 448.0770189384.

The spelling of 89961774 in words is "eighty-nine million, nine hundred sixty-one thousand, seven hundred seventy-four".