6361438 has 4 divisors (see below), whose sum is σ = 9542160. Its totient is φ = 3180718.

The previous prime is 6361429. The next prime is 6361457. The reversal of 6361438 is 8341636.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1590358 + ... + 1590361.

It is an arithmetic number, because the mean of its divisors is an integer number (2385540).

Almost surely, 2^6361438 is an apocalyptic number.

6361438 is a deficient number, since it is larger than the sum of its proper divisors (3180722).

6361438 is a wasteful number, since it uses less digits than its factorization.

6361438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180721.

The product of its digits is 10368, while the sum is 31.

The square root of 6361438 is about 2522.1891285151. The cubic root of 6361438 is about 185.2899082509.

The spelling of 6361438 in words is "six million, three hundred sixty-one thousand, four hundred thirty-eight".