1039378212 has 36 divisors (see below), whose sum is σ = 2717917020. Its totient is φ = 334512192.

The previous prime is 1039378133. The next prime is 1039378229. The reversal of 1039378212 is 2128739301.

It can be written as a sum of positive squares in 2 ways, for example, as 169364196 + 870014016 = 13014^2 + 29496^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 496743 + ... + 498830.

It is an arithmetic number, because the mean of its divisors is an integer number (75497695).

Almost surely, 2^1039378212 is an apocalyptic number.

1039378212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1039378212 is an abundant number, since it is smaller than the sum of its proper divisors (1678538808).

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

1039378212 is a wasteful number, since it uses less digits than its factorization.

1039378212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995612 (or 995607 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1039378212 is about 32239.3891381335. The cubic root of 1039378212 is about 1012.9574499905.

The spelling of 1039378212 in words is "one billion, thirty-nine million, three hundred seventy-eight thousand, two hundred twelve".