620360405 has 16 divisors (see below), whose sum is σ = 851349504. Its totient is φ = 425105280.

The previous prime is 620360387. The next prime is 620360453. The reversal of 620360405 is 504063026.

It is not a de Polignac number, because 620360405 - 2⁶ = 620360341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56300 + ... + 66410.

It is an arithmetic number, because the mean of its divisors is an integer number (53209344).

Almost surely, 2^620360405 is an apocalyptic number.

It is an amenable number.

620360405 is a deficient number, since it is larger than the sum of its proper divisors (230989099).

620360405 is a wasteful number, since it uses less digits than its factorization.

620360405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11876.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 620360405 is about 24907.0352511093. The cubic root of 620360405 is about 852.8670910696.

The spelling of 620360405 in words is "six hundred twenty million, three hundred sixty thousand, four hundred five".