620792289 has 16 divisors (see below), whose sum is σ = 990438400. Its totient is φ = 382025808.

The previous prime is 620792261. The next prime is 620792297. The reversal of 620792289 is 982297026.

It is not a de Polignac number, because 620792289 - 2¹⁵ = 620759521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620792239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 883969 + ... + 884670.

It is an arithmetic number, because the mean of its divisors is an integer number (61902400).

Almost surely, 2^620792289 is an apocalyptic number.

It is an amenable number.

620792289 is a deficient number, since it is larger than the sum of its proper divisors (369646111).

620792289 is a wasteful number, since it uses less digits than its factorization.

620792289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768661 (or 1768655 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 620792289 is about 24915.7036625498. The cubic root of 620792289 is about 853.0649621800.

The spelling of 620792289 in words is "six hundred twenty million, seven hundred ninety-two thousand, two hundred eighty-nine".