620890967 has 8 divisors (see below), whose sum is σ = 629611200. Its totient is φ = 612209664.

The previous prime is 620890939. The next prime is 620890973. The reversal of 620890967 is 769098026.

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 620890967 - 2⁶ = 620890903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620890927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23159 + ... + 42167.

It is an arithmetic number, because the mean of its divisors is an integer number (78701400).

Almost surely, 2^620890967 is an apocalyptic number.

620890967 is a deficient number, since it is larger than the sum of its proper divisors (8720233).

620890967 is a wasteful number, since it uses less digits than its factorization.

620890967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19465.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 620890967 is about 24917.6838209333. The cubic root of 620890967 is about 853.1101594148.

The spelling of 620890967 in words is "six hundred twenty million, eight hundred ninety thousand, nine hundred sixty-seven".