4997942 has 4 divisors (see below), whose sum is σ = 7496916. Its totient is φ = 2498970.

The previous prime is 4997929. The next prime is 4997981. The reversal of 4997942 is 2497994.

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

It is a junction number, because it is equal to n+sod(n) for n = 4997893 and 4997902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1249484 + ... + 1249487.

It is an arithmetic number, because the mean of its divisors is an integer number (1874229).

Almost surely, 2^4997942 is an apocalyptic number.

4997942 is a deficient number, since it is larger than the sum of its proper divisors (2498974).

4997942 is a wasteful number, since it uses less digits than its factorization.

4997942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498973.

The product of its digits is 163296, while the sum is 44.

The square root of 4997942 is about 2235.6077473475. The cubic root of 4997942 is about 170.9741305781.

The spelling of 4997942 in words is "four million, nine hundred ninety-seven thousand, nine hundred forty-two".