1938698496 has 288 divisors, whose sum is σ = 6940442880. Its totient is φ = 521109504.

The previous prime is 1938698483. The next prime is 1938698527. The reversal of 1938698496 is 6948968391.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 821350 + ... + 823706.

It is an arithmetic number, because the mean of its divisors is an integer number (24098760).

Almost surely, 2^1938698496 is an apocalyptic number.

1938698496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1938698496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3470221440).

1938698496 is an abundant number, since it is smaller than the sum of its proper divisors (5001744384).

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

1938698496 is a wasteful number, since it uses less digits than its factorization.

1938698496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406 (or 2386 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 63.

The square root of 1938698496 is about 44030.6540491962. The cubic root of 1938698496 is about 1246.9147370003.

The spelling of 1938698496 in words is "one billion, nine hundred thirty-eight million, six hundred ninety-eight thousand, four hundred ninety-six".