838492148 has 36 divisors (see below), whose sum is σ = 1627725708. Its totient is φ = 377544960.

The previous prime is 838492147. The next prime is 838492159. The reversal of 838492148 is 841294838.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 117462244 + 721029904 = 10838^2 + 26852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838492141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12590 + ... + 42842.

It is an arithmetic number, because the mean of its divisors is an integer number (45214603).

Almost surely, 2^838492148 is an apocalyptic number.

It is an amenable number.

838492148 is a deficient number, since it is larger than the sum of its proper divisors (789233560).

838492148 is a wasteful number, since it uses less digits than its factorization.

838492148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30324 (or 30309 counting only the distinct ones).

The product of its digits is 442368, while the sum is 47.

The square root of 838492148 is about 28956.7288898453. The cubic root of 838492148 is about 942.9738877304.

The spelling of 838492148 in words is "eight hundred thirty-eight million, four hundred ninety-two thousand, one hundred forty-eight".