394053011 has 4 divisors (see below), whose sum is σ = 429876024. Its totient is φ = 358230000.

The previous prime is 394053007. The next prime is 394053017. The reversal of 394053011 is 110350493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110350493 = 11 ⋅10031863.

It is a cyclic number.

It is not a de Polignac number, because 394053011 - 2² = 394053007 is a prime.

It is a super-2 number, since 2×394053011² = 310555550956332242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394053017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17911490 + ... + 17911511.

It is an arithmetic number, because the mean of its divisors is an integer number (107469006).

Almost surely, 2^394053011 is an apocalyptic number.

394053011 is a deficient number, since it is larger than the sum of its proper divisors (35823013).

394053011 is a wasteful number, since it uses less digits than its factorization.

394053011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35823012.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 394053011 is about 19850.7685241655. The cubic root of 394053011 is about 733.1365701903.

The spelling of 394053011 in words is "three hundred ninety-four million, fifty-three thousand, eleven".