4992146 has 4 divisors (see below), whose sum is σ = 7488222. Its totient is φ = 2496072.

The previous prime is 4992137. The next prime is 4992149. The reversal of 4992146 is 6412994.

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., 3330625 + 1661521 = 1825^2 + 1289^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4992149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1248035 + ... + 1248038.

Almost surely, 2^4992146 is an apocalyptic number.

4992146 is a deficient number, since it is larger than the sum of its proper divisors (2496076).

4992146 is a wasteful number, since it uses less digits than its factorization.

4992146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496075.

The product of its digits is 15552, while the sum is 35.

The square root of 4992146 is about 2234.3110795053. The cubic root of 4992146 is about 170.9080134060.

It can be divided in two parts, 49 and 92146, that multiplied together give a palindrome (4515154).

The spelling of 4992146 in words is "four million, nine hundred ninety-two thousand, one hundred forty-six".