1840334930 has 32 divisors (see below), whose sum is σ = 3831456384. Its totient is φ = 623367936.

The previous prime is 1840334921. The next prime is 1840334939. The reversal of 1840334930 is 394330481.

It is an interprime number because it is at equal distance from previous prime (1840334921) and next prime (1840334939).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (1840334939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152567 + ... + 164186.

It is an arithmetic number, because the mean of its divisors is an integer number (119733012).

Almost surely, 2^1840334930 is an apocalyptic number.

1840334930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1840334930 is an abundant number, since it is smaller than the sum of its proper divisors (1991121454).

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

1840334930 is a wasteful number, since it uses less digits than its factorization.

1840334930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316850.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 1840334930 is about 42899.1250493527. The cubic root of 1840334930 is about 1225.4594816659.

The spelling of 1840334930 in words is "one billion, eight hundred forty million, three hundred thirty-four thousand, nine hundred thirty".