390034542 has 8 divisors (see below), whose sum is σ = 780069096. Its totient is φ = 130011512.

The previous prime is 390034531. The next prime is 390034571. The reversal of 390034542 is 245430093.

It is a sphenic number, since it is the product of 3 distinct primes.

390034542 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32502873 + ... + 32502884.

It is an arithmetic number, because the mean of its divisors is an integer number (97508637).

Almost surely, 2^390034542 is an apocalyptic number.

390034542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

390034542 is a wasteful number, since it uses less digits than its factorization.

390034542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65005762.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 390034542 is about 19749.2921898482. The cubic root of 390034542 is about 730.6359267534.

The spelling of 390034542 in words is "three hundred ninety million, thirty-four thousand, five hundred forty-two".