365498642 has 4 divisors (see below), whose sum is σ = 548247966. Its totient is φ = 182749320.

The previous prime is 365498633. The next prime is 365498647. The reversal of 365498642 is 246894563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246894563 = 3803 ⋅64921.

It can be written as a sum of positive squares in only one way, i.e., 330912481 + 34586161 = 18191^2 + 5881^2 .

It is not an unprimeable number, because it can be changed into a prime (365498647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91374659 + ... + 91374662.

Almost surely, 2^365498642 is an apocalyptic number.

365498642 is a deficient number, since it is larger than the sum of its proper divisors (182749324).

365498642 is a wasteful number, since it uses less digits than its factorization.

365498642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182749323.

The product of its digits is 1244160, while the sum is 47.

The square root of 365498642 is about 19118.0187781056. The cubic root of 365498642 is about 714.9822428635.

The spelling of 365498642 in words is "three hundred sixty-five million, four hundred ninety-eight thousand, six hundred forty-two".