363396421 has 4 divisors (see below), whose sum is σ = 363553344. Its totient is φ = 363239500.

The previous prime is 363396379. The next prime is 363396431. The reversal of 363396421 is 124693363.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124693363 = 79 ⋅1578397.

It is a cyclic number.

It is not a de Polignac number, because 363396421 - 2¹¹ = 363394373 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 (363396431) 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, 74935 + ... + 79636.

It is an arithmetic number, because the mean of its divisors is an integer number (90888336).

Almost surely, 2^363396421 is an apocalyptic number.

It is an amenable number.

363396421 is a deficient number, since it is larger than the sum of its proper divisors (156923).

363396421 is a wasteful number, since it uses less digits than its factorization.

363396421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156922.

The product of its digits is 69984, while the sum is 37.

The square root of 363396421 is about 19062.9593977430. The cubic root of 363396421 is about 713.6088300052.

The spelling of 363396421 in words is "three hundred sixty-three million, three hundred ninety-six thousand, four hundred twenty-one".