1904428130 has 16 divisors (see below), whose sum is σ = 3739604544. Its totient is φ = 692519280.

The previous prime is 1904428091. The next prime is 1904428133. The reversal of 1904428130 is 318244091.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1904428133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8656382 + ... + 8656601.

It is an arithmetic number, because the mean of its divisors is an integer number (233725284).

Almost surely, 2^1904428130 is an apocalyptic number.

1904428130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1904428130 is a deficient number, since it is larger than the sum of its proper divisors (1835176414).

1904428130 is a wasteful number, since it uses less digits than its factorization.

1904428130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17313001.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1904428130 is about 43639.7540093892. The cubic root of 1904428130 is about 1239.5237787161.

It can be divided in two parts, 19044 and 28130, that added together give a palindrome (47174).

The spelling of 1904428130 in words is "one billion, nine hundred four million, four hundred twenty-eight thousand, one hundred thirty".