5293978 has 4 divisors (see below), whose sum is σ = 7940970. Its totient is φ = 2646988.

The previous prime is 5293957. The next prime is 5293991. The reversal of 5293978 is 8793925.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 5166529 + 127449 = 2273^2 + 357^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323493 + ... + 1323496.

Almost surely, 2^5293978 is an apocalyptic number.

5293978 is a deficient number, since it is larger than the sum of its proper divisors (2646992).

5293978 is a wasteful number, since it uses less digits than its factorization.

5293978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646991.

The product of its digits is 136080, while the sum is 43.

The square root of 5293978 is about 2300.8646200939. The cubic root of 5293978 is about 174.2852809014.

The spelling of 5293978 in words is "five million, two hundred ninety-three thousand, nine hundred seventy-eight".