393374041 has 4 divisors (see below), whose sum is σ = 393413812. Its totient is φ = 393334272.

The previous prime is 393374039. The next prime is 393374057. The reversal of 393374041 is 140473393.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 140473393 = 827 ⋅169859.

It can be written as a sum of positive squares in 2 ways, for example, as 197262025 + 196112016 = 14045^2 + 14004^2 .

It is a cyclic number.

It is not a de Polignac number, because 393374041 - 2¹ = 393374039 is a prime.

It is a super-2 number, since 2×393374041² = 309486272265339362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 393373988 and 393374006.

It is not an unprimeable number, because it can be changed into a prime (393374021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7801 + ... + 29113.

It is an arithmetic number, because the mean of its divisors is an integer number (98353453).

Almost surely, 2^393374041 is an apocalyptic number.

It is an amenable number.

393374041 is a deficient number, since it is larger than the sum of its proper divisors (39771).

393374041 is a wasteful number, since it uses less digits than its factorization.

393374041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39770.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 393374041 is about 19833.6592942402. The cubic root of 393374041 is about 732.7152530118.

The spelling of 393374041 in words is "three hundred ninety-three million, three hundred seventy-four thousand, forty-one".