1838453548 has 12 divisors (see below), whose sum is σ = 3218278392. Its totient is φ = 918945440.

The previous prime is 1838453497. The next prime is 1838453557. The reversal of 1838453548 is 8453548381.

It is a happy number.

It is a super-6 number, since 6×1838453548⁶ (a number of 57 digits) contains 666666 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55273 + ... + 82048.

It is an arithmetic number, because the mean of its divisors is an integer number (268189866).

Almost surely, 2^1838453548 is an apocalyptic number.

It is an amenable number.

1838453548 is a deficient number, since it is larger than the sum of its proper divisors (1379824844).

1838453548 is a wasteful number, since it uses less digits than its factorization.

1838453548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140672 (or 140670 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 49.

The square root of 1838453548 is about 42877.1914658598. The cubic root of 1838453548 is about 1225.0417418513.

The spelling of 1838453548 in words is "one billion, eight hundred thirty-eight million, four hundred fifty-three thousand, five hundred forty-eight".