89790001 has 12 divisors (see below), whose sum is σ = 104657700. Its totient is φ = 76809600.

The previous prime is 89789993. The next prime is 89790031. The reversal of 89790001 is 10009798.

It can be written as a sum of positive squares in 2 ways, for example, as 41473600 + 48316401 = 6440^2 + 6951^2 .

It is not a de Polignac number, because 89790001 - 2³ = 89789993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89790031) 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, 27925 + ... + 30973.

It is an arithmetic number, because the mean of its divisors is an integer number (8721475).

Almost surely, 2^89790001 is an apocalyptic number.

It is an amenable number.

89790001 is a deficient number, since it is larger than the sum of its proper divisors (14867699).

89790001 is a wasteful number, since it uses less digits than its factorization.

89790001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3664 (or 3657 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 89790001 is about 9475.7585976005. The cubic root of 89790001 is about 447.7916511663.

Adding to 89790001 its reverse (10009798), we get a palindrome (99799799).

The spelling of 89790001 in words is "eighty-nine million, seven hundred ninety thousand, one".