383618401 has 4 divisors (see below), whose sum is σ = 383720112. Its totient is φ = 383516692.

The previous prime is 383618393. The next prime is 383618407. The reversal of 383618401 is 104816383.

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: 104816383 = 7 ⋅14973769.

It is a cyclic number.

It is not a de Polignac number, because 383618401 - 2³ = 383618393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383618407) 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, 44971 + ... + 52816.

It is an arithmetic number, because the mean of its divisors is an integer number (95930028).

Almost surely, 2^383618401 is an apocalyptic number.

It is an amenable number.

383618401 is a deficient number, since it is larger than the sum of its proper divisors (101711).

383618401 is an equidigital number, since it uses as much as digits as its factorization.

383618401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101710.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 383618401 is about 19586.1788258966. The cubic root of 383618401 is about 726.6073894870.

The spelling of 383618401 in words is "three hundred eighty-three million, six hundred eighteen thousand, four hundred one".