1614994938 has 12 divisors (see below), whose sum is σ = 3499155738. Its totient is φ = 538331640.

The previous prime is 1614994937. The next prime is 1614994943. The reversal of 1614994938 is 8394994161.

It is a happy number.

1614994938 is a `hidden beast` number, since 1 + 6 + 149 + 9 + 493 + 8 = 666.

1614994938 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1196260569 + 418734369 = 34587^2 + 20463^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1614994937) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44860953 + ... + 44860988.

Almost surely, 2^1614994938 is an apocalyptic number.

1614994938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1614994938 is an abundant number, since it is smaller than the sum of its proper divisors (1884160800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1614994938 is a wasteful number, since it uses less digits than its factorization.

1614994938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89721949 (or 89721946 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 1614994938 is about 40186.9996143031. Note that the first 3 decimals coincide. The cubic root of 1614994938 is about 1173.2495288335.

The spelling of 1614994938 in words is "one billion, six hundred fourteen million, nine hundred ninety-four thousand, nine hundred thirty-eight".