3921734 has 4 divisors (see below), whose sum is σ = 5882604. Its totient is φ = 1960866.

The previous prime is 3921721. The next prime is 3921761. The reversal of 3921734 is 4371293.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3921697 and 3921706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980432 + ... + 980435.

It is an arithmetic number, because the mean of its divisors is an integer number (1470651).

Almost surely, 2^3921734 is an apocalyptic number.

3921734 is a deficient number, since it is larger than the sum of its proper divisors (1960870).

3921734 is a wasteful number, since it uses less digits than its factorization.

3921734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960869.

The product of its digits is 4536, while the sum is 29.

The square root of 3921734 is about 1980.3368400350. The cubic root of 3921734 is about 157.6979488090.

The spelling of 3921734 in words is "three million, nine hundred twenty-one thousand, seven hundred thirty-four".