368061493 has 4 divisors (see below), whose sum is σ = 368431660. Its totient is φ = 367691328.

The previous prime is 368061457. The next prime is 368061503. The reversal of 368061493 is 394160863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 394160863 = 389 ⋅1013267.

It can be written as a sum of positive squares in 2 ways, for example, as 220730449 + 147331044 = 14857^2 + 12138^2 .

It is a cyclic number.

It is not a de Polignac number, because 368061493 - 2⁹ = 368060981 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 (368061403) 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, 183588 + ... + 185581.

It is an arithmetic number, because the mean of its divisors is an integer number (92107915).

Almost surely, 2^368061493 is an apocalyptic number.

It is an amenable number.

368061493 is a deficient number, since it is larger than the sum of its proper divisors (370167).

368061493 is an equidigital number, since it uses as much as digits as its factorization.

368061493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370166.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 368061493 is about 19184.9287984084. The cubic root of 368061493 is about 716.6494872632.

The spelling of 368061493 in words is "three hundred sixty-eight million, sixty-one thousand, four hundred ninety-three".