1238462399 has 4 divisors (see below), whose sum is σ = 1239324480. Its totient is φ = 1237600320.

The previous prime is 1238462387. The next prime is 1238462413. The reversal of 1238462399 is 9932648321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9932648321 = 47 ⋅211332943.

It is a cyclic number.

It is not a de Polignac number, because 1238462399 - 2⁴ = 1238462383 is a prime.

It is a super-3 number, since 3×1238462399³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238462299) 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, 428882 + ... + 431759.

It is an arithmetic number, because the mean of its divisors is an integer number (309831120).

Almost surely, 2^1238462399 is an apocalyptic number.

1238462399 is a deficient number, since it is larger than the sum of its proper divisors (862081).

1238462399 is an equidigital number, since it uses as much as digits as its factorization.

1238462399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862080.

The product of its digits is 559872, while the sum is 47.

The square root of 1238462399 is about 35191.7944839418. The cubic root of 1238462399 is about 1073.8928277062.

The spelling of 1238462399 in words is "one billion, two hundred thirty-eight million, four hundred sixty-two thousand, three hundred ninety-nine".