391094 has 16 divisors (see below), whose sum is σ = 663120. Its totient is φ = 171360.

The previous prime is 391073. The next prime is 391103. The reversal of 391094 is 490193.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332 + ... + 944.

It is an arithmetic number, because the mean of its divisors is an integer number (41445).

2³⁹¹⁰⁹⁴ is an apocalyptic number.

391094 is a deficient number, since it is larger than the sum of its proper divisors (272026).

391094 is a wasteful number, since it uses less digits than its factorization.

391094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 391094 is about 625.3750874475. The cubic root of 391094 is about 73.1296875267.

Subtracting 391094 from its reverse (490193), we obtain a palindrome (99099).

It can be divided in two parts, 3910 and 94, that added together give a palindrome (4004).

The spelling of 391094 in words is "three hundred ninety-one thousand, ninety-four".