3438438628 has 6 divisors (see below), whose sum is σ = 6017267606. Its totient is φ = 1719219312.

The previous prime is 3438438559. The next prime is 3438438629. The reversal of 3438438628 is 8268348343.

It is a happy number.

3438438628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3257213184 + 181225444 = 57072^2 + 13462^2 .

It is not an unprimeable number, because it can be changed into a prime (3438438629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429804825 + ... + 429804832.

Almost surely, 2^3438438628 is an apocalyptic number.

It is an amenable number.

3438438628 is a deficient number, since it is larger than the sum of its proper divisors (2578828978).

3438438628 is a wasteful number, since it uses less digits than its factorization.

3438438628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859609661 (or 859609659 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 49.

The square root of 3438438628 is about 58638.2010979191. The cubic root of 3438438628 is about 1509.3400370219.

The spelling of 3438438628 in words is "three billion, four hundred thirty-eight million, four hundred thirty-eight thousand, six hundred twenty-eight".