1035978216 has 128 divisors (see below), whose sum is σ = 3199150080. Its totient is φ = 272238336.

The previous prime is 1035978199. The next prime is 1035978221. The reversal of 1035978216 is 6128795301.

It is a super-3 number, since 3×1035978216³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 757165 + ... + 758531.

It is an arithmetic number, because the mean of its divisors is an integer number (24993360).

Almost surely, 2^1035978216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1035978216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1599575040).

1035978216 is an abundant number, since it is smaller than the sum of its proper divisors (2163171864).

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

1035978216 is a wasteful number, since it uses less digits than its factorization.

1035978216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743 (or 1739 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 1035978216 is about 32186.6154791087. The cubic root of 1035978216 is about 1011.8517204779.

The spelling of 1035978216 in words is "one billion, thirty-five million, nine hundred seventy-eight thousand, two hundred sixteen".