3661490 has 32 divisors (see below), whose sum is σ = 7931520. Its totient is φ = 1188864.

The previous prime is 3661457. The next prime is 3661499. The reversal of 3661490 is 941663.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3661499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47 + ... + 2706.

It is an arithmetic number, because the mean of its divisors is an integer number (247860).

Almost surely, 2^3661490 is an apocalyptic number.

3661490 is an abundant number, since it is smaller than the sum of its proper divisors (4270030).

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

3661490 is a wasteful number, since it uses less digits than its factorization.

3661490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3661490 is about 1913.5020250839. The cubic root of 3661490 is about 154.1295643204.

The spelling of 3661490 in words is "three million, six hundred sixty-one thousand, four hundred ninety".