2897784634 has 16 divisors (see below), whose sum is σ = 4460034600. Its totient is φ = 1411223040.

The previous prime is 2897784607. The next prime is 2897784647. The reversal of 2897784634 is 4364877982.

It can be written as a sum of positive squares in 4 ways, for example, as 1765260225 + 1132524409 = 42015^2 + 33653^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21442 + ... + 79090.

Almost surely, 2^2897784634 is an apocalyptic number.

2897784634 is a deficient number, since it is larger than the sum of its proper divisors (1562249966).

2897784634 is a wasteful number, since it uses less digits than its factorization.

2897784634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58305.

The product of its digits is 16257024, while the sum is 58.

The square root of 2897784634 is about 53831.0749846220. The cubic root of 2897784634 is about 1425.6799273373.

The spelling of 2897784634 in words is "two billion, eight hundred ninety-seven million, seven hundred eighty-four thousand, six hundred thirty-four".