1934988378 has 8 divisors (see below), whose sum is σ = 3869976768. Its totient is φ = 644996124.

The previous prime is 1934988361. The next prime is 1934988403. The reversal of 1934988378 is 8738894391.

It is a sphenic number, since it is the product of 3 distinct primes.

1934988378 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161249026 + ... + 161249037.

It is an arithmetic number, because the mean of its divisors is an integer number (483747096).

Almost surely, 2^1934988378 is an apocalyptic number.

1934988378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1934988378 is a wasteful number, since it uses less digits than its factorization.

1934988378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322498068.

The product of its digits is 10450944, while the sum is 60.

The square root of 1934988378 is about 43988.5027933436. The cubic root of 1934988378 is about 1246.1188155717.

The spelling of 1934988378 in words is "one billion, nine hundred thirty-four million, nine hundred eighty-eight thousand, three hundred seventy-eight".