393344061 has 32 divisors (see below), whose sum is σ = 604454400. Its totient is φ = 225017280.

The previous prime is 393344051. The next prime is 393344093. The reversal of 393344061 is 160443393.

It is not a de Polignac number, because 393344061 - 2⁷ = 393343933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393344051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197770 + ... + 199748.

It is an arithmetic number, because the mean of its divisors is an integer number (18889200).

Almost surely, 2^393344061 is an apocalyptic number.

It is an amenable number.

393344061 is a deficient number, since it is larger than the sum of its proper divisors (211110339).

393344061 is a wasteful number, since it uses less digits than its factorization.

393344061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 393344061 is about 19832.9034939416. The cubic root of 393344061 is about 732.6966385303.

The spelling of 393344061 in words is "three hundred ninety-three million, three hundred forty-four thousand, sixty-one".