1840394324 has 24 divisors (see below), whose sum is σ = 3344798688. Its totient is φ = 885376800.

The previous prime is 1840394287. The next prime is 1840394363. The reversal of 1840394324 is 4234930481.

It is a super-2 number, since 2×1840394324² = 6774102535622833952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68327 + ... + 91374.

It is an arithmetic number, because the mean of its divisors is an integer number (139366612).

Almost surely, 2^1840394324 is an apocalyptic number.

It is an amenable number.

1840394324 is a deficient number, since it is larger than the sum of its proper divisors (1504404364).

1840394324 is a wasteful number, since it uses less digits than its factorization.

1840394324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159815 (or 159813 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 1840394324 is about 42899.8172956482. The cubic root of 1840394324 is about 1225.4726648019.

The spelling of 1840394324 in words is "one billion, eight hundred forty million, three hundred ninety-four thousand, three hundred twenty-four".