1842438934 has 32 divisors (see below), whose sum is σ = 3275145216. Its totient is φ = 760678560.

The previous prime is 1842438893. The next prime is 1842438953. The reversal of 1842438934 is 4398342481.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87264 + ... + 106300.

It is an arithmetic number, because the mean of its divisors is an integer number (102348288).

Almost surely, 2^1842438934 is an apocalyptic number.

1842438934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1842438934 is a deficient number, since it is larger than the sum of its proper divisors (1432706282).

1842438934 is a wasteful number, since it uses less digits than its factorization.

1842438934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19300.

The product of its digits is 663552, while the sum is 46.

The square root of 1842438934 is about 42923.6407356133. The cubic root of 1842438934 is about 1225.9263151100.

The spelling of 1842438934 in words is "one billion, eight hundred forty-two million, four hundred thirty-eight thousand, nine hundred thirty-four".