1949522 has 4 divisors (see below), whose sum is σ = 2924286. Its totient is φ = 974760.

The previous prime is 1949501. The next prime is 1949527. The reversal of 1949522 is 2259491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2259491 = 13 ⋅173807.

It can be written as a sum of positive squares in only one way, i.e., 1934881 + 14641 = 1391^2 + 121^2 .

It is not an unprimeable number, because it can be changed into a prime (1949527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487379 + ... + 487382.

2^1949522 is an apocalyptic number.

1949522 is a deficient number, since it is larger than the sum of its proper divisors (974764).

1949522 is an equidigital number, since it uses as much as digits as its factorization.

1949522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974763.

The product of its digits is 6480, while the sum is 32.

The square root of 1949522 is about 1396.2528424322. The cubic root of 1949522 is about 124.9230886869.

The spelling of 1949522 in words is "one million, nine hundred forty-nine thousand, five hundred twenty-two".