3945854 has 8 divisors (see below), whose sum is σ = 6456888. Its totient is φ = 1793560.

The previous prime is 3945841. The next prime is 3945883. The reversal of 3945854 is 4585493.

It is a happy number.

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

It is a d-powerful number, because it can be written as 3⁵ + 9⁴ + 4² + 5⁹ + 8⁵ + 5⁹ + 4² .

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, 89657 + ... + 89700.

It is an arithmetic number, because the mean of its divisors is an integer number (807111).

Almost surely, 2^3945854 is an apocalyptic number.

3945854 is a deficient number, since it is larger than the sum of its proper divisors (2511034).

3945854 is a wasteful number, since it uses less digits than its factorization.

3945854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179370.

The product of its digits is 86400, while the sum is 38.

The square root of 3945854 is about 1986.4173780956. The cubic root of 3945854 is about 158.0205869666.

The spelling of 3945854 in words is "three million, nine hundred forty-five thousand, eight hundred fifty-four".