605623920 has 80 divisors (see below), whose sum is σ = 2048118912. Its totient is φ = 146817280.

The previous prime is 605623913. The next prime is 605623927. The reversal of 605623920 is 29326506.

It is an interprime number because it is at equal distance from previous prime (605623913) and next prime (605623927).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605623927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112062 + ... + 117341.

Almost surely, 2^605623920 is an apocalyptic number.

605623920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

605623920 is an abundant number, since it is smaller than the sum of its proper divisors (1442494992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

605623920 is a wasteful number, since it uses less digits than its factorization.

605623920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229430 (or 229424 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 605623920 is about 24609.4274618488. The cubic root of 605623920 is about 846.0596954451.

The spelling of 605623920 in words is "six hundred five million, six hundred twenty-three thousand, nine hundred twenty".