838397145 has 8 divisors (see below), whose sum is σ = 1341435456. Its totient is φ = 447145136.

The previous prime is 838397129. The next prime is 838397179. The reversal of 838397145 is 541793838.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 838397145 - 2⁴ = 838397129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 838397094 and 838397103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27946557 + ... + 27946586.

It is an arithmetic number, because the mean of its divisors is an integer number (167679432).

Almost surely, 2^838397145 is an apocalyptic number.

It is an amenable number.

838397145 is a deficient number, since it is larger than the sum of its proper divisors (503038311).

838397145 is a wasteful number, since it uses less digits than its factorization.

838397145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55893151.

The product of its digits is 725760, while the sum is 48.

The square root of 838397145 is about 28955.0884129198. The cubic root of 838397145 is about 942.9382727151.

The spelling of 838397145 in words is "eight hundred thirty-eight million, three hundred ninety-seven thousand, one hundred forty-five".