838473556 has 12 divisors (see below), whose sum is σ = 1531125792. Its totient is φ = 401009048.

The previous prime is 838473521. The next prime is 838473557. The reversal of 838473556 is 655374838.

It is a super-2 number, since 2×838473556² = 1406075808222570272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838473557) 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, 4556830 + ... + 4557013.

It is an arithmetic number, because the mean of its divisors is an integer number (127593816).

Almost surely, 2^838473556 is an apocalyptic number.

It is an amenable number.

838473556 is a deficient number, since it is larger than the sum of its proper divisors (692652236).

838473556 is a wasteful number, since it uses less digits than its factorization.

838473556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9113870 (or 9113868 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 49.

The square root of 838473556 is about 28956.4078573293. The cubic root of 838473556 is about 942.9669181163.

The spelling of 838473556 in words is "eight hundred thirty-eight million, four hundred seventy-three thousand, five hundred fifty-six".