393251061 has 8 divisors (see below), whose sum is σ = 599239744. Its totient is φ = 224714880.

The previous prime is 393251057. The next prime is 393251063. The reversal of 393251061 is 160152393.

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

It is not a de Polignac number, because 393251061 - 2² = 393251057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393251063) 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, 9363100 + ... + 9363141.

It is an arithmetic number, because the mean of its divisors is an integer number (74904968).

Almost surely, 2^393251061 is an apocalyptic number.

It is an amenable number.

393251061 is a deficient number, since it is larger than the sum of its proper divisors (205988683).

393251061 is a wasteful number, since it uses less digits than its factorization.

393251061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18726251.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 393251061 is about 19830.5587667115. The cubic root of 393251061 is about 732.6388891237.

The spelling of 393251061 in words is "three hundred ninety-three million, two hundred fifty-one thousand, sixty-one".