3918734 has 8 divisors (see below), whose sum is σ = 5923368. Its totient is φ = 1944280.

The previous prime is 3918697. The next prime is 3918743. The reversal of 3918734 is 4378193.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3918694 and 3918703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7217 + ... + 7740.

It is an arithmetic number, because the mean of its divisors is an integer number (740421).

Almost surely, 2^3918734 is an apocalyptic number.

3918734 is a deficient number, since it is larger than the sum of its proper divisors (2004634).

3918734 is a wasteful number, since it uses less digits than its factorization.

3918734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15090.

The product of its digits is 18144, while the sum is 35.

The square root of 3918734 is about 1979.5792482242. The cubic root of 3918734 is about 157.6577272700.

The spelling of 3918734 in words is "three million, nine hundred eighteen thousand, seven hundred thirty-four".