2947838436 has 27 divisors (see below), whose sum is σ = 7452304041. Its totient is φ = 982504224.

The previous prime is 2947838423. The next prime is 2947838441. The reversal of 2947838436 is 6348387492.

The square root of 2947838436 is 54294.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2449656036 + 498182400 = 49494^2 + 22320^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 321240 + ... + 330288.

Almost surely, 2^2947838436 is an apocalyptic number.

2947838436 is the 54294-th square number.

It is an amenable number.

2947838436 is an abundant number, since it is smaller than the sum of its proper divisors (4504465605).

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

2947838436 is an frugal number, since it uses more digits than its factorization.

2947838436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18108 (or 9054 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The cubic root of 2947838436 is about 1433.8417628540.

The spelling of 2947838436 in words is "two billion, nine hundred forty-seven million, eight hundred thirty-eight thousand, four hundred thirty-six".