6401386 has 8 divisors (see below), whose sum is σ = 9614304. Its totient is φ = 3196620.

The previous prime is 6401377. The next prime is 6401387. The reversal of 6401386 is 6831046.

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

It is not an unprimeable number, because it can be changed into a prime (6401387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621 + ... + 3631.

It is an arithmetic number, because the mean of its divisors is an integer number (1201788).

Almost surely, 2^6401386 is an apocalyptic number.

6401386 is a deficient number, since it is larger than the sum of its proper divisors (3212918).

6401386 is a wasteful number, since it uses less digits than its factorization.

6401386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076.

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

The square root of 6401386 is about 2530.0960456078. The cubic root of 6401386 is about 185.6769549649.

The spelling of 6401386 in words is "six million, four hundred one thousand, three hundred eighty-six".