455386397 has 4 divisors (see below), whose sum is σ = 455433756. Its totient is φ = 455339040.

The previous prime is 455386369. The next prime is 455386439. The reversal of 455386397 is 793683554.

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: 793683554 = 2 ⋅396841777.

It can be written as a sum of positive squares in 2 ways, for example, as 197655481 + 257730916 = 14059^2 + 16054^2 .

It is a cyclic number.

It is not a de Polignac number, because 455386397 - 2¹⁰ = 455385373 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 (455386307) 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, 3554 + ... + 30387.

It is an arithmetic number, because the mean of its divisors is an integer number (113858439).

Almost surely, 2^455386397 is an apocalyptic number.

It is an amenable number.

455386397 is a deficient number, since it is larger than the sum of its proper divisors (47359).

455386397 is a wasteful number, since it uses less digits than its factorization.

455386397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47358.

The product of its digits is 2721600, while the sum is 50.

The square root of 455386397 is about 21339.7843709818. The cubic root of 455386397 is about 769.3548297878.

The spelling of 455386397 in words is "four hundred fifty-five million, three hundred eighty-six thousand, three hundred ninety-seven".