3726836 has 6 divisors (see below), whose sum is σ = 6521970. Its totient is φ = 1863416.

The previous prime is 3726823. The next prime is 3726839. The reversal of 3726836 is 6386273.

It can be written as a sum of positive squares in only one way, i.e., 3724900 + 1936 = 1930^2 + 44^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3726796 and 3726805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3726839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 465851 + ... + 465858.

It is an arithmetic number, because the mean of its divisors is an integer number (1086995).

Almost surely, 2^3726836 is an apocalyptic number.

It is an amenable number.

3726836 is a deficient number, since it is larger than the sum of its proper divisors (2795134).

3726836 is a wasteful number, since it uses less digits than its factorization.

3726836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931713 (or 931711 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 3726836 is about 1930.5014892509. The cubic root of 3726836 is about 155.0410713221.

The spelling of 3726836 in words is "three million, seven hundred twenty-six thousand, eight hundred thirty-six".