3954626 has 16 divisors (see below), whose sum is σ = 6463800. Its totient is φ = 1803648.

The previous prime is 3954623. The next prime is 3954637. The reversal of 3954626 is 6264593.

It can be written as a sum of positive squares in 4 ways, for example, as 1442401 + 2512225 = 1201^2 + 1585^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3954623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1460 + ... + 3168.

Almost surely, 2^3954626 is an apocalyptic number.

3954626 is a deficient number, since it is larger than the sum of its proper divisors (2509174).

3954626 is a wasteful number, since it uses less digits than its factorization.

3954626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813.

The product of its digits is 38880, while the sum is 35.

The square root of 3954626 is about 1988.6241474949. The cubic root of 3954626 is about 158.1375984484.

It can be divided in two parts, 39546 and 26, that multiplied together give a square (1028196 = 1014²).

The spelling of 3954626 in words is "three million, nine hundred fifty-four thousand, six hundred twenty-six".