98971001 has 4 divisors (see below), whose sum is σ = 103274112. Its totient is φ = 94667892.

The previous prime is 98970983. The next prime is 98971009. The reversal of 98971001 is 10017989.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 98971001 - 2¹⁰ = 98969977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98971009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2151521 + ... + 2151566.

It is an arithmetic number, because the mean of its divisors is an integer number (25818528).

Almost surely, 2^98971001 is an apocalyptic number.

It is an amenable number.

98971001 is a deficient number, since it is larger than the sum of its proper divisors (4303111).

98971001 is a wasteful number, since it uses less digits than its factorization.

98971001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4303110.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 98971001 is about 9948.4170097559. The cubic root of 98971001 is about 462.5613277331.

The spelling of 98971001 in words is "ninety-eight million, nine hundred seventy-one thousand, one".