4204978 has 4 divisors (see below), whose sum is σ = 6307470. Its totient is φ = 2102488.

The previous prime is 4204973. The next prime is 4204997. The reversal of 4204978 is 8794024.

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., 2699449 + 1505529 = 1643^2 + 1227^2 .

It is a d-powerful number, because it can be written as 4³ + 2¹³ + 0 + 4¹¹ + 9 + 7⁴ + 8 .

It is not an unprimeable number, because it can be changed into a prime (4204973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051243 + ... + 1051246.

Almost surely, 2^4204978 is an apocalyptic number.

4204978 is a deficient number, since it is larger than the sum of its proper divisors (2102492).

4204978 is a wasteful number, since it uses less digits than its factorization.

4204978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102491.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 4204978 is about 2050.6043011756. The cubic root of 4204978 is about 161.4065826719.

The spelling of 4204978 in words is "four million, two hundred four thousand, nine hundred seventy-eight".