403894 has 4 divisors (see below), whose sum is σ = 605844. Its totient is φ = 201946.

The previous prime is 403889. The next prime is 403901. The reversal of 403894 is 498304.

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

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, 100972 + ... + 100975.

It is an arithmetic number, because the mean of its divisors is an integer number (151461).

2⁴⁰³⁸⁹⁴ is an apocalyptic number.

403894 is a deficient number, since it is larger than the sum of its proper divisors (201950).

403894 is a wasteful number, since it uses less digits than its factorization.

403894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201949.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 403894 is about 635.5265533398. The cubic root of 403894 is about 73.9189519273.

The spelling of 403894 in words is "four hundred three thousand, eight hundred ninety-four".