11738399 has 2 divisors, whose sum is σ = 11738400. Its totient is φ = 11738398.

The previous prime is 11738383. The next prime is 11738401. The reversal of 11738399 is 99383711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11738399 - 2⁴ = 11738383 is a prime.

It is a super-2 number, since 2×11738399² = 275580022166402, which contains 22 as substring.

Together with 11738401, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₇₇₁₉₈₉ and since 11738399 and 771989 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11738339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5869199 + 5869200.

It is an arithmetic number, because the mean of its divisors is an integer number (5869200).

Almost surely, 2^11738399 is an apocalyptic number.

11738399 is a deficient number, since it is larger than the sum of its proper divisors (1).

11738399 is an equidigital number, since it uses as much as digits as its factorization.

11738399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 41.

The square root of 11738399 is about 3426.1347025475. The cubic root of 11738399 is about 227.2669529151.

The spelling of 11738399 in words is "eleven million, seven hundred thirty-eight thousand, three hundred ninety-nine".