1490901 has 8 divisors (see below), whose sum is σ = 2020704. Its totient is φ = 977520.

The previous prime is 1490899. The next prime is 1490921. The reversal of 1490901 is 1090941.

1490901 = 403² + 404² + ... + 411².

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

It is not a de Polignac number, because 1490901 - 2¹ = 1490899 is a prime.

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

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3891 + ... + 4256.

It is an arithmetic number, because the mean of its divisors is an integer number (252588).

2^1490901 is an apocalyptic number.

It is an amenable number.

1490901 is a deficient number, since it is larger than the sum of its proper divisors (529803).

1490901 is an equidigital number, since it uses as much as digits as its factorization.

1490901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8211.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1490901 is about 1221.0245697774. The cubic root of 1490901 is about 114.2394934373.

The spelling of 1490901 in words is "one million, four hundred ninety thousand, nine hundred one".