620934319 has 8 divisors (see below), whose sum is σ = 639279872. Its totient is φ = 602766360.

The previous prime is 620934317. The next prime is 620934329. The reversal of 620934319 is 913439026.

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 620934319 - 2¹ = 620934317 is a prime.

It is a super-2 number, since 2×620934319² = 771118857023987522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620934317) 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, 37287 + ... + 51304.

It is an arithmetic number, because the mean of its divisors is an integer number (79909984).

Almost surely, 2^620934319 is an apocalyptic number.

620934319 is a deficient number, since it is larger than the sum of its proper divisors (18345553).

620934319 is a wasteful number, since it uses less digits than its factorization.

620934319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88797.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 620934319 is about 24918.5537100370. The cubic root of 620934319 is about 853.1300143077.

The spelling of 620934319 in words is "six hundred twenty million, nine hundred thirty-four thousand, three hundred nineteen".