3728991610 has 32 divisors (see below), whose sum is σ = 7118865792. Its totient is φ = 1403350080.

The previous prime is 3728991589. The next prime is 3728991611. The reversal of 3728991610 is 161998273.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (3728991611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118864 + ... + 146923.

It is an arithmetic number, because the mean of its divisors is an integer number (222464556).

Almost surely, 2^3728991610 is an apocalyptic number.

3728991610 is a deficient number, since it is larger than the sum of its proper divisors (3389874182).

3728991610 is a wasteful number, since it uses less digits than its factorization.

3728991610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265878.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 3728991610 is about 61065.4698663656. The cubic root of 3728991610 is about 1550.7095759108.

The spelling of 3728991610 in words is "three billion, seven hundred twenty-eight million, nine hundred ninety-one thousand, six hundred ten".