3909004542 has 32 divisors (see below), whose sum is σ = 8809032960. Its totient is φ = 1284648120.

The previous prime is 3909004529. The next prime is 3909004553. The reversal of 3909004542 is 2454009093.

It is a junction number, because it is equal to n+sod(n) for n = 3909004497 and 3909004506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505948 + ... + 513615.

It is an arithmetic number, because the mean of its divisors is an integer number (275282280).

Almost surely, 2^3909004542 is an apocalyptic number.

3909004542 is an abundant number, since it is smaller than the sum of its proper divisors (4900028418).

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

3909004542 is a wasteful number, since it uses less digits than its factorization.

3909004542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019645 (or 1019639 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 3909004542 is about 62522.0324525683. The cubic root of 3909004542 is about 1575.2714126364.

The spelling of 3909004542 in words is "three billion, nine hundred nine million, four thousand, five hundred forty-two".