6400095 has 32 divisors (see below), whose sum is σ = 11515392. Its totient is φ = 3011712.

The previous prime is 6400091. The next prime is 6400099. The reversal of 6400095 is 5900046.

It is an interprime number because it is at equal distance from previous prime (6400091) and next prime (6400099).

It is not a de Polignac number, because 6400095 - 2² = 6400091 is a prime.

It is a super-2 number, since 2×6400095² = 81922432018050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6400091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3772 + ... + 5198.

It is an arithmetic number, because the mean of its divisors is an integer number (359856).

Almost surely, 2^6400095 is an apocalyptic number.

6400095 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6400095 is a deficient number, since it is larger than the sum of its proper divisors (5115297).

6400095 is a wasteful number, since it uses less digits than its factorization.

6400095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 6400095 is about 2529.8409040886. The cubic root of 6400095 is about 185.6644719878.

The spelling of 6400095 in words is "six million, four hundred thousand, ninety-five".