620627399 has 8 divisors (see below), whose sum is σ = 714466848. Its totient is φ = 528082560.

The previous prime is 620627393. The next prime is 620627411. The reversal of 620627399 is 993726026.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620627399 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 (620627393) 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, 322622 + ... + 324539.

It is an arithmetic number, because the mean of its divisors is an integer number (89308356).

Almost surely, 2^620627399 is an apocalyptic number.

620627399 is a deficient number, since it is larger than the sum of its proper divisors (93839449).

620627399 is a wasteful number, since it uses less digits than its factorization.

620627399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647305.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 620627399 is about 24912.3944854765. The cubic root of 620627399 is about 852.9894273408.

The spelling of 620627399 in words is "six hundred twenty million, six hundred twenty-seven thousand, three hundred ninety-nine".