1490149 has 8 divisors (see below), whose sum is σ = 1531800. Its totient is φ = 1449216.

The previous prime is 1490129. The next prime is 1490161. The reversal of 1490149 is 9410941.

It can be written as a sum of positive squares in 4 ways, for example, as 93025 + 1397124 = 305^2 + 1182^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1490149 - 2⁵ = 1490117 is a prime.

It is a super-3 number, since 3×1490149³ = 9926824451825333847, which contains 333 as substring.

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

It is a Duffinian number.

1490149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490119) 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, 9927 + ... + 10075.

It is an arithmetic number, because the mean of its divisors is an integer number (191475).

2^1490149 is an apocalyptic number.

It is an amenable number.

1490149 is a deficient number, since it is larger than the sum of its proper divisors (41651).

1490149 is a wasteful number, since it uses less digits than its factorization.

1490149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1490149 is about 1220.7165928257. The cubic root of 1490149 is about 114.2202830075.

The spelling of 1490149 in words is "one million, four hundred ninety thousand, one hundred forty-nine".