1984840130 has 64 divisors (see below), whose sum is σ = 4628655360. Its totient is φ = 595102464.

The previous prime is 1984840087. The next prime is 1984840153. The reversal of 1984840130 is 310484891.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40109 + ... + 74688.

It is an arithmetic number, because the mean of its divisors is an integer number (72322740).

Almost surely, 2^1984840130 is an apocalyptic number.

1984840130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1984840130 is an abundant number, since it is smaller than the sum of its proper divisors (2643815230).

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

1984840130 is a wasteful number, since it uses less digits than its factorization.

1984840130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114843.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 1984840130 is about 44551.5446421333. The cubic root of 1984840130 is about 1256.7295993769.

The spelling of 1984840130 in words is "one billion, nine hundred eighty-four million, eight hundred forty thousand, one hundred thirty".