1964086038 has 24 divisors (see below), whose sum is σ = 4256334576. Its totient is φ = 654570000.

The previous prime is 1964086037. The next prime is 1964086049. The reversal of 1964086038 is 8306804691.

It is a junction number, because it is equal to n+sod(n) for n = 1964085984 and 1964086002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964086037) 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, 181788 + ... + 192288.

It is an arithmetic number, because the mean of its divisors is an integer number (177347274).

Almost surely, 2^1964086038 is an apocalyptic number.

1964086038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1964086038 is an abundant number, since it is smaller than the sum of its proper divisors (2292248538).

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

1964086038 is a wasteful number, since it uses less digits than its factorization.

1964086038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20900 (or 20897 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 1964086038 is about 44318.0103118360. The cubic root of 1964086038 is about 1252.3339940384. Note that the first 3 decimals are identical.

The spelling of 1964086038 in words is "one billion, nine hundred sixty-four million, eighty-six thousand, thirty-eight".