3890975242 has 24 divisors (see below), whose sum is σ = 7406570880. Its totient is φ = 1515963960.

The previous prime is 3890975239. The next prime is 3890975243. The reversal of 3890975242 is 2425790983.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (3890975243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1803642 + ... + 1805797.

It is an arithmetic number, because the mean of its divisors is an integer number (308607120).

Almost surely, 2^3890975242 is an apocalyptic number.

3890975242 is a deficient number, since it is larger than the sum of its proper divisors (3515595638).

3890975242 is a wasteful number, since it uses less digits than its factorization.

3890975242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609466 (or 3609459 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 3890975242 is about 62377.6822429304. The cubic root of 3890975242 is about 1572.8458319870.

The spelling of 3890975242 in words is "three billion, eight hundred ninety million, nine hundred seventy-five thousand, two hundred forty-two".