4462991 has 4 divisors (see below), whose sum is σ = 4806312. Its totient is φ = 4119672.

The previous prime is 4462963. The next prime is 4463003. The reversal of 4462991 is 1992644.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4462991 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4462921) 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, 171641 + ... + 171666.

It is an arithmetic number, because the mean of its divisors is an integer number (1201578).

Almost surely, 2^4462991 is an apocalyptic number.

4462991 is a deficient number, since it is larger than the sum of its proper divisors (343321).

4462991 is a wasteful number, since it uses less digits than its factorization.

4462991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343320.

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

The square root of 4462991 is about 2112.5792292835. The cubic root of 4462991 is about 164.6425196024.

The spelling of 4462991 in words is "four million, four hundred sixty-two thousand, nine hundred ninety-one".