1996878604 has 48 divisors (see below), whose sum is σ = 4128158272. Its totient is φ = 827304192.

The previous prime is 1996878601. The next prime is 1996878617. The reversal of 1996878604 is 4068786991.

It is a super-2 number, since 2×1996878604² = 7975048318225977632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1996878601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156514 + ... + 168790.

Almost surely, 2^1996878604 is an apocalyptic number.

1996878604 is a gapful number since it is divisible by the number (14) 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 1996878604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2064079136).

1996878604 is an abundant number, since it is smaller than the sum of its proper divisors (2131279668).

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

1996878604 is a wasteful number, since it uses less digits than its factorization.

1996878604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12482 (or 12480 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 58.

The square root of 1996878604 is about 44686.4476547420. The cubic root of 1996878604 is about 1259.2652565237.

The spelling of 1996878604 in words is "one billion, nine hundred ninety-six million, eight hundred seventy-eight thousand, six hundred four".