390078011 has 8 divisors (see below), whose sum is σ = 394853760. Its totient is φ = 385311168.

The previous prime is 390078001. The next prime is 390078019. The reversal of 390078011 is 110870093.

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

It is a cyclic number.

It is not a de Polignac number, because 390078011 - 2¹⁴ = 390061627 is a prime.

It is a super-2 number, since 2×390078011² = 304321709331432242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390078019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138065 + ... + 140861.

It is an arithmetic number, because the mean of its divisors is an integer number (49356720).

Almost surely, 2^390078011 is an apocalyptic number.

390078011 is a deficient number, since it is larger than the sum of its proper divisors (4775749).

390078011 is a wasteful number, since it uses less digits than its factorization.

390078011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4453.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 390078011 is about 19750.3926796406. The cubic root of 390078011 is about 730.6630686514.

The spelling of 390078011 in words is "three hundred ninety million, seventy-eight thousand, eleven".