1491950 has 24 divisors (see below), whose sum is σ = 2832408. Its totient is φ = 584480.

The previous prime is 1491947. The next prime is 1491953. The reversal of 1491950 is 591941.

It is an interprime number because it is at equal distance from previous prime (1491947) and next prime (1491953).

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1491953) 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 11 ways as a sum of consecutive naturals, for example, 2369 + ... + 2931.

It is an arithmetic number, because the mean of its divisors is an integer number (118017).

2^1491950 is an apocalyptic number.

1491950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1491950 is a deficient number, since it is larger than the sum of its proper divisors (1340458).

1491950 is a wasteful number, since it uses less digits than its factorization.

1491950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 1491950 is about 1221.4540515304. The cubic root of 1491950 is about 114.2662801776.

Subtracting from 1491950 its reverse (591941), we obtain a palindrome (900009).

The spelling of 1491950 in words is "one million, four hundred ninety-one thousand, nine hundred fifty".