6946391 has 8 divisors (see below), whose sum is σ = 7342080. Its totient is φ = 6558552.

The previous prime is 6946363. The next prime is 6946393. The reversal of 6946391 is 1936496.

6946391 = T₂₁₄ + T₂₁₅ + ... + T₃₇₁.

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

It is a cyclic number.

It is not a de Polignac number, because 6946391 - 2⁶ = 6946327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6946393) 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, 95 + ... + 3728.

It is an arithmetic number, because the mean of its divisors is an integer number (917760).

Almost surely, 2^6946391 is an apocalyptic number.

6946391 is a deficient number, since it is larger than the sum of its proper divisors (395689).

6946391 is a wasteful number, since it uses less digits than its factorization.

6946391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3925.

The product of its digits is 34992, while the sum is 38.

The square root of 6946391 is about 2635.6006905448. The cubic root of 6946391 is about 190.8035314259.

It can be divided in two parts, 6946 and 391, that added together give a palindrome (7337).

The spelling of 6946391 in words is "six million, nine hundred forty-six thousand, three hundred ninety-one".