4997658 has 8 divisors (see below), whose sum is σ = 9995328. Its totient is φ = 1665884.

The previous prime is 4997621. The next prime is 4997659. The reversal of 4997658 is 8567994.

It is a sphenic number, since it is the product of 3 distinct primes.

4997658 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (4997659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416466 + ... + 416477.

It is an arithmetic number, because the mean of its divisors is an integer number (1249416).

Almost surely, 2^4997658 is an apocalyptic number.

4997658 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4997658 is a wasteful number, since it uses less digits than its factorization.

4997658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832948.

The product of its digits is 544320, while the sum is 48.

The square root of 4997658 is about 2235.5442290413. The cubic root of 4997658 is about 170.9708920736.

The spelling of 4997658 in words is "four million, nine hundred ninety-seven thousand, six hundred fifty-eight".