4978294 has 4 divisors (see below), whose sum is σ = 7467444. Its totient is φ = 2489146.

The previous prime is 4978291. The next prime is 4978349. The reversal of 4978294 is 4928794.

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

It is a super-2 number, since 2×4978294² = 49566822300872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4978294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244572 + ... + 1244575.

It is an arithmetic number, because the mean of its divisors is an integer number (1866861).

Almost surely, 2^4978294 is an apocalyptic number.

4978294 is a deficient number, since it is larger than the sum of its proper divisors (2489150).

4978294 is a wasteful number, since it uses less digits than its factorization.

4978294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489149.

The product of its digits is 145152, while the sum is 43.

The square root of 4978294 is about 2231.2090892608. The cubic root of 4978294 is about 170.7497908130.

The spelling of 4978294 in words is "four million, nine hundred seventy-eight thousand, two hundred ninety-four".