2936247921 has 16 divisors (see below), whose sum is σ = 4365712000. Its totient is φ = 1950426864.

The previous prime is 2936247911. The next prime is 2936247931. The reversal of 2936247921 is 1297426392.

2936247921 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2936247911) and next prime (2936247931).

It is not a de Polignac number, because 2936247921 - 2⁵ = 2936247889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2936247901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188821 + ... + 203778.

It is an arithmetic number, because the mean of its divisors is an integer number (272857000).

Almost surely, 2^2936247921 is an apocalyptic number.

It is an amenable number.

2936247921 is a deficient number, since it is larger than the sum of its proper divisors (1429464079).

2936247921 is a wasteful number, since it uses less digits than its factorization.

2936247921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392885 (or 392879 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 2936247921 is about 54187.1564210561. The cubic root of 2936247921 is about 1431.9600684393.

The spelling of 2936247921 in words is "two billion, nine hundred thirty-six million, two hundred forty-seven thousand, nine hundred twenty-one".