378599369 has 4 divisors (see below), whose sum is σ = 379200000. Its totient is φ = 377998740.

The previous prime is 378599357. The next prime is 378599383. The reversal of 378599369 is 963995873.

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.

It is a cyclic number.

It is not a de Polignac number, because 378599369 - 2¹⁶ = 378533833 is a prime.

It is a super-2 number, since 2×378599369² = 286674964414396322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378599399) 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, 299369 + ... + 300630.

It is an arithmetic number, because the mean of its divisors is an integer number (94800000).

Almost surely, 2^378599369 is an apocalyptic number.

It is an amenable number.

378599369 is a deficient number, since it is larger than the sum of its proper divisors (600631).

378599369 is an equidigital number, since it uses as much as digits as its factorization.

378599369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600630.

The product of its digits is 11022480, while the sum is 59.

The square root of 378599369 is about 19457.6300972138. The cubic root of 378599369 is about 723.4246373781.

The spelling of 378599369 in words is "three hundred seventy-eight million, five hundred ninety-nine thousand, three hundred sixty-nine".