2985746399 has 4 divisors (see below), whose sum is σ = 2985903240. Its totient is φ = 2985589560.

The previous prime is 2985746383. The next prime is 2985746429. The reversal of 2985746399 is 9936475892.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2985746399 - 2⁴ = 2985746383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2985746899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45164 + ... + 89505.

It is an arithmetic number, because the mean of its divisors is an integer number (746475810).

Almost surely, 2^2985746399 is an apocalyptic number.

2985746399 is a deficient number, since it is larger than the sum of its proper divisors (156841).

2985746399 is a wasteful number, since it uses less digits than its factorization.

2985746399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156840.

The product of its digits is 29393280, while the sum is 62.

The square root of 2985746399 is about 54641.9838494175. The cubic root of 2985746399 is about 1439.9618043817.

The spelling of 2985746399 in words is "two billion, nine hundred eighty-five million, seven hundred forty-six thousand, three hundred ninety-nine".