920198397 has 8 divisors (see below), whose sum is σ = 1247726880. Its totient is φ = 603067760.

The previous prime is 920198393. The next prime is 920198413. The reversal of 920198397 is 793891029.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 920198397 - 2² = 920198393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920198393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2599254 + ... + 2599607.

It is an arithmetic number, because the mean of its divisors is an integer number (155965860).

Almost surely, 2^920198397 is an apocalyptic number.

It is an amenable number.

920198397 is a deficient number, since it is larger than the sum of its proper divisors (327528483).

920198397 is a wasteful number, since it uses less digits than its factorization.

920198397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5198923.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 920198397 is about 30334.7720776010. The cubic root of 920198397 is about 972.6587337683.

The spelling of 920198397 in words is "nine hundred twenty million, one hundred ninety-eight thousand, three hundred ninety-seven".