4900661 has 4 divisors (see below), whose sum is σ = 4905324. Its totient is φ = 4896000.

The previous prime is 4900657. The next prime is 4900663. The reversal of 4900661 is 1660094.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4813636 + 87025 = 2194^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 4900661 - 2² = 4900657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4900661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4900663) 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, 71 + ... + 3131.

It is an arithmetic number, because the mean of its divisors is an integer number (1226331).

Almost surely, 2^4900661 is an apocalyptic number.

It is an amenable number.

4900661 is a deficient number, since it is larger than the sum of its proper divisors (4663).

4900661 is a wasteful number, since it uses less digits than its factorization.

4900661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 4900661 is about 2213.7436617639. The cubic root of 4900661 is about 169.8575623502.

The spelling of 4900661 in words is "four million, nine hundred thousand, six hundred sixty-one".