189790004 has 6 divisors (see below), whose sum is σ = 332132514. Its totient is φ = 94895000.

The previous prime is 189789953. The next prime is 189790019. The reversal of 189790004 is 400097981.

189790004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 96628900 + 93161104 = 9830^2 + 9652^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 189790004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23723747 + ... + 23723754.

It is an arithmetic number, because the mean of its divisors is an integer number (55355419).

Almost surely, 2^189790004 is an apocalyptic number.

It is an amenable number.

189790004 is a deficient number, since it is larger than the sum of its proper divisors (142342510).

189790004 is a wasteful number, since it uses less digits than its factorization.

189790004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47447505 (or 47447503 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 189790004 is about 13776.4292906399. The cubic root of 189790004 is about 574.6778323804.

The spelling of 189790004 in words is "one hundred eighty-nine million, seven hundred ninety thousand, four".