619948032 has 96 divisors (see below), whose sum is σ = 1803241440. Its totient is φ = 187842560.

The previous prime is 619948019. The next prime is 619948033. The reversal of 619948032 is 230849916.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (619948033) 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 7 ways as a sum of consecutive naturals, for example, 62998 + ... + 72170.

It is an arithmetic number, because the mean of its divisors is an integer number (18783765).

Almost surely, 2^619948032 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 619948032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901620720).

619948032 is an abundant number, since it is smaller than the sum of its proper divisors (1183293408).

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

619948032 is a wasteful number, since it uses less digits than its factorization.

619948032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9209 (or 9189 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 619948032 is about 24898.7556315572. The cubic root of 619948032 is about 852.6780733548.

The spelling of 619948032 in words is "six hundred nineteen million, nine hundred forty-eight thousand, thirty-two".