1939514420 has 12 divisors (see below), whose sum is σ = 4072980324. Its totient is φ = 775805760.

The previous prime is 1939514407. The next prime is 1939514429. The reversal of 1939514420 is 244159391.

It can be written as a sum of positive squares in 2 ways, for example, as 300398224 + 1639116196 = 17332^2 + 40486^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1939514429) 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, 48487841 + ... + 48487880.

It is an arithmetic number, because the mean of its divisors is an integer number (339415027).

Almost surely, 2^1939514420 is an apocalyptic number.

1939514420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1939514420 is an abundant number, since it is smaller than the sum of its proper divisors (2133465904).

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

1939514420 is a wasteful number, since it uses less digits than its factorization.

1939514420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96975730 (or 96975728 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1939514420 is about 44039.9184831217. The cubic root of 1939514420 is about 1247.0896386966.

The spelling of 1939514420 in words is "one billion, nine hundred thirty-nine million, five hundred fourteen thousand, four hundred twenty".