3954518 has 4 divisors (see below), whose sum is σ = 5931780. Its totient is φ = 1977258.

The previous prime is 3954499. The next prime is 3954529. The reversal of 3954518 is 8154593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8154593 = 181 ⋅45053.

It is a super-2 number, since 2×3954518² = 31276425224648, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 988628 + ... + 988631.

It is an arithmetic number, because the mean of its divisors is an integer number (1482945).

Almost surely, 2^3954518 is an apocalyptic number.

3954518 is a deficient number, since it is larger than the sum of its proper divisors (1977262).

3954518 is a wasteful number, since it uses less digits than its factorization.

3954518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977261.

The product of its digits is 21600, while the sum is 35.

The square root of 3954518 is about 1988.5969928570. The cubic root of 3954518 is about 158.1361588671.

It can be divided in two parts, 395 and 4518, that added together give a cube (4913 = 17³).

The spelling of 3954518 in words is "three million, nine hundred fifty-four thousand, five hundred eighteen".