4097639628 has 18 divisors (see below), whose sum is σ = 10357922484. Its totient is φ = 1365879864.

The previous prime is 4097639603. The next prime is 4097639639. The reversal of 4097639628 is 8269367904.

It is a happy number.

4097639628 is a `hidden beast` number, since 4 + 0 + 9 + 7 + 6 + 3 + 9 + 628 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56911626 + ... + 56911697.

It is an arithmetic number, because the mean of its divisors is an integer number (575440138).

Almost surely, 2^4097639628 is an apocalyptic number.

It is an amenable number.

4097639628 is an abundant number, since it is smaller than the sum of its proper divisors (6260282856).

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

4097639628 is a wasteful number, since it uses less digits than its factorization.

4097639628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113823333 (or 113823328 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The square root of 4097639628 is about 64012.8083120870. The cubic root of 4097639628 is about 1600.2134647484.

The spelling of 4097639628 in words is "four billion, ninety-seven million, six hundred thirty-nine thousand, six hundred twenty-eight".