390922742 has 8 divisors (see below), whose sum is σ = 670153296. Its totient is φ = 167538312.

The previous prime is 390922729. The next prime is 390922759. The reversal of 390922742 is 247229093.

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

It is a pancake number, because a pancake can be divided into 390922742 parts by 27961 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 390922696 and 390922705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13961513 + ... + 13961540.

It is an arithmetic number, because the mean of its divisors is an integer number (83769162).

Almost surely, 2^390922742 is an apocalyptic number.

390922742 is a deficient number, since it is larger than the sum of its proper divisors (279230554).

390922742 is a wasteful number, since it uses less digits than its factorization.

390922742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27923062.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 390922742 is about 19771.7662842752. The cubic root of 390922742 is about 731.1901160009.

The spelling of 390922742 in words is "three hundred ninety million, nine hundred twenty-two thousand, seven hundred forty-two".