1904480947 has 16 divisors (see below), whose sum is σ = 2043673632. Its totient is φ = 1768435200.

The previous prime is 1904480927. The next prime is 1904480957. The reversal of 1904480947 is 7490844091.

It is not a de Polignac number, because 1904480947 - 2¹¹ = 1904478899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1904480897 and 1904480906.

It is not an unprimeable number, because it can be changed into a prime (1904480917) 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 in 15 ways as a sum of consecutive naturals, for example, 525313 + ... + 528925.

It is an arithmetic number, because the mean of its divisors is an integer number (127729602).

Almost surely, 2^1904480947 is an apocalyptic number.

1904480947 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1904480947 is a deficient number, since it is larger than the sum of its proper divisors (139192685).

1904480947 is a wasteful number, since it uses less digits than its factorization.

1904480947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 1904480947 is about 43640.3591529676. The cubic root of 1904480947 is about 1239.5352375054.

The spelling of 1904480947 in words is "one billion, nine hundred four million, four hundred eighty thousand, nine hundred forty-seven".