3894758464 has 63 divisors (see below), whose sum is σ = 8034223327. Its totient is φ = 1873238528.

The previous prime is 3894758443. The next prime is 3894758471. The reversal of 3894758464 is 4648574983.

It is a happy number.

The square root of 3894758464 is 62408.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 900480064 + 2994278400 = 30008^2 + 54720^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3894758399 and 3894758408.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 14478522 + ... + 14478790.

Almost surely, 2^3894758464 is an apocalyptic number.

3894758464 is the 62408-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3894758464

3894758464 is an abundant number, since it is smaller than the sum of its proper divisors (4139464863).

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

3894758464 is an frugal number, since it uses more digits than its factorization.

3894758464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 300 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 58.

The cubic root of 3894758464 is about 1573.3554298023.

The spelling of 3894758464 in words is "three billion, eight hundred ninety-four million, seven hundred fifty-eight thousand, four hundred sixty-four".