4641690 has 16 divisors (see below), whose sum is σ = 11140128. Its totient is φ = 1237776.

The previous prime is 4641683. The next prime is 4641709. The reversal of 4641690 is 961464.

It is a super-2 number, since 2×4641690² = 43090572112200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 154723 = 4641690 / (4 + 6 + 4 + 1 + 6 + 9 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77332 + ... + 77391.

It is an arithmetic number, because the mean of its divisors is an integer number (696258).

Almost surely, 2^4641690 is an apocalyptic number.

4641690 is an abundant number, since it is smaller than the sum of its proper divisors (6498438).

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

4641690 is a wasteful number, since it uses less digits than its factorization.

4641690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154733.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 4641690 is about 2154.4581685426. The cubic root of 4641690 is about 166.8112656217.

The spelling of 4641690 in words is "four million, six hundred forty-one thousand, six hundred ninety".