364394549 has 4 divisors (see below), whose sum is σ = 366840300. Its totient is φ = 361948800.

The previous prime is 364394539. The next prime is 364394551. The reversal of 364394549 is 945493463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 945493463 = 223 ⋅4239881.

It can be written as a sum of positive squares in 2 ways, for example, as 199092100 + 165302449 = 14110^2 + 12857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-364394549 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 (364394509) 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, 1222652 + ... + 1222949.

It is an arithmetic number, because the mean of its divisors is an integer number (91710075).

Almost surely, 2^364394549 is an apocalyptic number.

It is an amenable number.

364394549 is a deficient number, since it is larger than the sum of its proper divisors (2445751).

364394549 is a wasteful number, since it uses less digits than its factorization.

364394549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445750.

The product of its digits is 1399680, while the sum is 47.

The square root of 364394549 is about 19089.1212212611. The cubic root of 364394549 is about 714.2615807218.

The spelling of 364394549 in words is "three hundred sixty-four million, three hundred ninety-four thousand, five hundred forty-nine".