2920398916 has 6 divisors (see below), whose sum is σ = 5110698110. Its totient is φ = 1460199456.

The previous prime is 2920398913. The next prime is 2920398917. The reversal of 2920398916 is 6198930292.

It can be written as a sum of positive squares in only one way, i.e., 1887033600 + 1033365316 = 43440^2 + 32146^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2920398916.

It is not an unprimeable number, because it can be changed into a prime (2920398911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365049861 + ... + 365049868.

Almost surely, 2^2920398916 is an apocalyptic number.

It is an amenable number.

2920398916 is a deficient number, since it is larger than the sum of its proper divisors (2190299194).

2920398916 is a wasteful number, since it uses less digits than its factorization.

2920398916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730099733 (or 730099731 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 2920398916 is about 54040.7153542586. The cubic root of 2920398916 is about 1429.3789854046.

The spelling of 2920398916 in words is "two billion, nine hundred twenty million, three hundred ninety-eight thousand, nine hundred sixteen".