1864306434 has 8 divisors (see below), whose sum is σ = 3728612880. Its totient is φ = 621435476.

The previous prime is 1864306417. The next prime is 1864306439. The reversal of 1864306434 is 4346034681.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1864306434 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1864306392 and 1864306401.

It is not an unprimeable number, because it can be changed into a prime (1864306439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155358864 + ... + 155358875.

It is an arithmetic number, because the mean of its divisors is an integer number (466076610).

Almost surely, 2^1864306434 is an apocalyptic number.

1864306434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1864306434 is a wasteful number, since it uses less digits than its factorization.

1864306434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310717744.

The product of its (nonzero) digits is 165888, while the sum is 39.

The square root of 1864306434 is about 43177.6149642381. The cubic root of 1864306434 is about 1230.7573351713.

The spelling of 1864306434 in words is "one billion, eight hundred sixty-four million, three hundred six thousand, four hundred thirty-four".