1630041 has 8 divisors (see below), whose sum is σ = 2483904. Its totient is φ = 931440.

The previous prime is 1630021. The next prime is 1630049. The reversal of 1630041 is 1400361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1630041 - 2¹³ = 1621849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1630041.

It is not an unprimeable number, because it can be changed into a prime (1630049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38790 + ... + 38831.

It is an arithmetic number, because the mean of its divisors is an integer number (310488).

2^1630041 is an apocalyptic number.

It is an amenable number.

1630041 is a deficient number, since it is larger than the sum of its proper divisors (853863).

1630041 is an equidigital number, since it uses as much as digits as its factorization.

1630041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77631.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1630041 is about 1276.7305902186. The cubic root of 1630041 is about 117.6881789250.

The spelling of 1630041 in words is "one million, six hundred thirty thousand, forty-one".