89906949 has 32 divisors (see below), whose sum is σ = 146764800. Its totient is φ = 53941680.

The previous prime is 89906909. The next prime is 89906951. The reversal of 89906949 is 94960998.

It is a happy number.

It is not a de Polignac number, because 89906949 - 2⁹ = 89906437 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 89906895 and 89906904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89906909) 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, 29122 + ... + 32060.

It is an arithmetic number, because the mean of its divisors is an integer number (4586400).

Almost surely, 2^89906949 is an apocalyptic number.

It is an amenable number.

89906949 is a deficient number, since it is larger than the sum of its proper divisors (56857851).

89906949 is a wasteful number, since it uses less digits than its factorization.

89906949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062 (or 3056 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The square root of 89906949 is about 9481.9274939223. The cubic root of 89906949 is about 447.9859772529.

The spelling of 89906949 in words is "eighty-nine million, nine hundred six thousand, nine hundred forty-nine".