6357994 has 4 divisors (see below), whose sum is σ = 9536994. Its totient is φ = 3178996.

The previous prime is 6357991. The next prime is 6357997. The reversal of 6357994 is 4997536.

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

It is an interprime number because it is at equal distance from previous prime (6357991) and next prime (6357997).

It can be written as a sum of positive squares in only one way, i.e., 4782969 + 1575025 = 2187^2 + 1255^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6357994.

It is not an unprimeable number, because it can be changed into a prime (6357991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1589497 + ... + 1589500.

Almost surely, 2^6357994 is an apocalyptic number.

6357994 is a deficient number, since it is larger than the sum of its proper divisors (3179000).

6357994 is a wasteful number, since it uses less digits than its factorization.

6357994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178999.

The product of its digits is 204120, while the sum is 43.

The square root of 6357994 is about 2521.5062958478. The cubic root of 6357994 is about 185.2564643640.

The spelling of 6357994 in words is "six million, three hundred fifty-seven thousand, nine hundred ninety-four".