4958978 has 4 divisors (see below), whose sum is σ = 7438470. Its totient is φ = 2479488.

The previous prime is 4958957. The next prime is 4958983. The reversal of 4958978 is 8798594.

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., 4464769 + 494209 = 2113^2 + 703^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239743 + ... + 1239746.

Almost surely, 2^4958978 is an apocalyptic number.

4958978 is a deficient number, since it is larger than the sum of its proper divisors (2479492).

4958978 is a wasteful number, since it uses less digits than its factorization.

4958978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479491.

The product of its digits is 725760, while the sum is 50.

The square root of 4958978 is about 2226.8762875382. The cubic root of 4958978 is about 170.5286656710.

The spelling of 4958978 in words is "four million, nine hundred fifty-eight thousand, nine hundred seventy-eight".