2904231890 has 64 divisors (see below), whose sum is σ = 6658848000. Its totient is φ = 887832576.

The previous prime is 2904231887. The next prime is 2904231917. The reversal of 2904231890 is 981324092.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 41615 + ... + 86834.

It is an arithmetic number, because the mean of its divisors is an integer number (104044500).

Almost surely, 2^2904231890 is an apocalyptic number.

2904231890 is an abundant number, since it is smaller than the sum of its proper divisors (3754616110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2904231890 is a wasteful number, since it uses less digits than its factorization.

2904231890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128499.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2904231890 is about 53890.9258595545. The cubic root of 2904231890 is about 1426.7364718103.

The spelling of 2904231890 in words is "two billion, nine hundred four million, two hundred thirty-one thousand, eight hundred ninety".