625428384 has 192 divisors, whose sum is σ = 1974067200. Its totient is φ = 169602048.

The previous prime is 625428383. The next prime is 625428403. The reversal of 625428384 is 483824526.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (625428383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1305457 + ... + 1305935.

It is an arithmetic number, because the mean of its divisors is an integer number (10281600).

Almost surely, 2^625428384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625428384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987033600).

625428384 is an abundant number, since it is smaller than the sum of its proper divisors (1348638816).

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

625428384 is a wasteful number, since it uses less digits than its factorization.

625428384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 587 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The square root of 625428384 is about 25008.5662124001. The cubic root of 625428384 is about 855.1832690819.

The spelling of 625428384 in words is "six hundred twenty-five million, four hundred twenty-eight thousand, three hundred eighty-four".