89949783 has 32 divisors (see below), whose sum is σ = 150036480. Its totient is φ = 46568160.

The previous prime is 89949779. The next prime is 89949787. The reversal of 89949783 is 38794998.

It is an interprime number because it is at equal distance from previous prime (89949779) and next prime (89949787).

It is not a de Polignac number, because 89949783 - 2² = 89949779 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89949787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100966 + ... + 101852.

It is an arithmetic number, because the mean of its divisors is an integer number (4688640).

Almost surely, 2^89949783 is an apocalyptic number.

89949783 is a deficient number, since it is larger than the sum of its proper divisors (60086697).

89949783 is a wasteful number, since it uses less digits than its factorization.

89949783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347.

The product of its digits is 3919104, while the sum is 57.

The square root of 89949783 is about 9484.1859429263. The cubic root of 89949783 is about 448.0571099999.

The spelling of 89949783 in words is "eighty-nine million, nine hundred forty-nine thousand, seven hundred eighty-three".