3630949 has 6 divisors (see below), whose sum is σ = 4223814. Its totient is φ = 3112200.

The previous prime is 3630943. The next prime is 3630953. The reversal of 3630949 is 9490363.

It can be written as a sum of positive squares in only one way, i.e., 3038049 + 592900 = 1743^2 + 770^2 .

It is not a de Polignac number, because 3630949 - 2⁵ = 3630917 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3630943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37002 + ... + 37099.

It is an arithmetic number, because the mean of its divisors is an integer number (703969).

Almost surely, 2^3630949 is an apocalyptic number.

It is an amenable number.

3630949 is a deficient number, since it is larger than the sum of its proper divisors (592865).

3630949 is an equidigital number, since it uses as much as digits as its factorization.

3630949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74115 (or 74108 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 3630949 is about 1905.5049199622. The cubic root of 3630949 is about 153.6998285194.

It can be divided in two parts, 363094 and 9, that multiplied together give a triangular number (3267846 = T₂₅₅₆).

The spelling of 3630949 in words is "three million, six hundred thirty thousand, nine hundred forty-nine".