3950820730 has 16 divisors (see below), whose sum is σ = 7340880384. Its totient is φ = 1529349840.

The previous prime is 3950820707. The next prime is 3950820739. The reversal of 3950820730 is 370280593.

It is a self number, because there is not a number n which added to its sum of digits gives 3950820730.

It is not an unprimeable number, because it can be changed into a prime (3950820739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6371982 + ... + 6372601.

It is an arithmetic number, because the mean of its divisors is an integer number (458805024).

Almost surely, 2^3950820730 is an apocalyptic number.

3950820730 is a deficient number, since it is larger than the sum of its proper divisors (3390059654).

3950820730 is a wasteful number, since it uses less digits than its factorization.

3950820730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12744621.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 3950820730 is about 62855.5544880482. The cubic root of 3950820730 is about 1580.8686045424.

The spelling of 3950820730 in words is "three billion, nine hundred fifty million, eight hundred twenty thousand, seven hundred thirty".