4397786064 has 90 divisors (see below), whose sum is σ = 14317135170. Its totient is φ = 1256508288.

The previous prime is 4397786059. The next prime is 4397786069. The reversal of 4397786064 is 4606877934.

It is a happy number.

4397786064 is a `hidden beast` number, since 439 + 77 + 86 + 0 + 64 = 666.

It is an interprime number because it is at equal distance from previous prime (4397786059) and next prime (4397786069).

It can be written as a sum of positive squares in only one way, i.e., 2872102464 + 1525683600 = 53592^2 + 39060^2 .

It is a super-3 number, since 3×4397786064³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 4397786064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4397786069) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 304579 + ... + 318690.

Almost surely, 2^4397786064 is an apocalyptic number.

It is an amenable number.

4397786064 is an abundant number, since it is smaller than the sum of its proper divisors (9919349106).

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

4397786064 is a wasteful number, since it uses less digits than its factorization.

4397786064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623297 (or 623281 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The square root of 4397786064 is about 66315.8055368402. The cubic root of 4397786064 is about 1638.3676579926.

The spelling of 4397786064 in words is "four billion, three hundred ninety-seven million, seven hundred eighty-six thousand, sixty-four".