1550946838 has 32 divisors (see below), whose sum is σ = 2707326720. Its totient is φ = 652592160.

The previous prime is 1550946773. The next prime is 1550946853. The reversal of 1550946838 is 8386490551.

It is a junction number, because it is equal to n+sod(n) for n = 1550946791 and 1550946800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581953 + ... + 584611.

It is an arithmetic number, because the mean of its divisors is an integer number (84603960).

Almost surely, 2^1550946838 is an apocalyptic number.

1550946838 is a deficient number, since it is larger than the sum of its proper divisors (1156379882).

1550946838 is a wasteful number, since it uses less digits than its factorization.

1550946838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The square root of 1550946838 is about 39382.0623888592. The cubic root of 1550946838 is about 1157.5301288520.

The spelling of 1550946838 in words is "one billion, five hundred fifty million, nine hundred forty-six thousand, eight hundred thirty-eight".