901897099 has 4 divisors (see below), whose sum is σ = 905768136. Its totient is φ = 898026064.

The previous prime is 901897097. The next prime is 901897103. The reversal of 901897099 is 990798109.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 901897099 - 2¹ = 901897097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (901897097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1935169 + ... + 1935634.

It is an arithmetic number, because the mean of its divisors is an integer number (226442034).

Almost surely, 2^901897099 is an apocalyptic number.

901897099 is a deficient number, since it is larger than the sum of its proper divisors (3871037).

901897099 is a wasteful number, since it uses less digits than its factorization.

901897099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871036.

The product of its (nonzero) digits is 367416, while the sum is 52.

The square root of 901897099 is about 30031.6016722385. The cubic root of 901897099 is about 966.1672896038.

The spelling of 901897099 in words is "nine hundred one million, eight hundred ninety-seven thousand, ninety-nine".