19341930 has 16 divisors (see below), whose sum is σ = 46420704. Its totient is φ = 5157840.

The previous prime is 19341913. The next prime is 19341947. The reversal of 19341930 is 3914391.

It is an interprime number because it is at equal distance from previous prime (19341913) and next prime (19341947).

It is a super-2 number, since 2×19341930² = 748220512249800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 644731 = 19341930 / (1 + 9 + 3 + 4 + 1 + 9 + 3 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322336 + ... + 322395.

It is an arithmetic number, because the mean of its divisors is an integer number (2901294).

Almost surely, 2^19341930 is an apocalyptic number.

19341930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19341930 is an abundant number, since it is smaller than the sum of its proper divisors (27078774).

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

19341930 is a wasteful number, since it uses less digits than its factorization.

19341930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644741.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 19341930 is about 4397.9461115389. The cubic root of 19341930 is about 268.4313707157.

The spelling of 19341930 in words is "nineteen million, three hundred forty-one thousand, nine hundred thirty".