4510978 has 4 divisors (see below), whose sum is σ = 6766470. Its totient is φ = 2255488.

The previous prime is 4510973. The next prime is 4510991. The reversal of 4510978 is 8790154.

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., 4397409 + 113569 = 2097^2 + 337^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4510973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127743 + ... + 1127746.

Almost surely, 2^4510978 is an apocalyptic number.

4510978 is a deficient number, since it is larger than the sum of its proper divisors (2255492).

4510978 is a wasteful number, since it uses less digits than its factorization.

4510978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255491.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 4510978 is about 2123.9063067847. The cubic root of 4510978 is about 165.2305073352.

The spelling of 4510978 in words is "four million, five hundred ten thousand, nine hundred seventy-eight".