389110402 has 4 divisors (see below), whose sum is σ = 583665606. Its totient is φ = 194555200.

The previous prime is 389110387. The next prime is 389110409. The reversal of 389110402 is 204011983.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 388838961 + 271441 = 19719^2 + 521^2 .

It is not an unprimeable number, because it can be changed into a prime (389110409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97277599 + ... + 97277602.

Almost surely, 2^389110402 is an apocalyptic number.

389110402 is a deficient number, since it is larger than the sum of its proper divisors (194555204).

389110402 is a wasteful number, since it uses less digits than its factorization.

389110402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194555203.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 389110402 is about 19725.8815265630. The cubic root of 389110402 is about 730.0584190441.

The spelling of 389110402 in words is "three hundred eighty-nine million, one hundred ten thousand, four hundred two".