1010003904 has 280 divisors, whose sum is σ = 3686604768. Its totient is φ = 266250240.

The previous prime is 1010003903. The next prime is 1010003921. The reversal of 1010003904 is 4093000101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010003903) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 470674 + ... + 472814.

Almost surely, 2^1010003904 is an apocalyptic number.

1010003904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1010003904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1843302384).

1010003904 is an abundant number, since it is smaller than the sum of its proper divisors (2676600864).

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

1010003904 is a wasteful number, since it uses less digits than its factorization.

1010003904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185 (or 2166 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1010003904 is about 31780.5585853993. The cubic root of 1010003904 is about 1003.3235762699.

The spelling of 1010003904 in words is "one billion, ten million, three thousand, nine hundred four".