1553492 has 6 divisors (see below), whose sum is σ = 2718618. Its totient is φ = 776744.

The previous prime is 1553479. The next prime is 1553507. The reversal of 1553492 is 2943551.

It can be written as a sum of positive squares in only one way, i.e., 1336336 + 217156 = 1156^2 + 466^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194183 + ... + 194190.

It is an arithmetic number, because the mean of its divisors is an integer number (453103).

2^1553492 is an apocalyptic number.

It is an amenable number.

1553492 is a deficient number, since it is larger than the sum of its proper divisors (1165126).

1553492 is a wasteful number, since it uses less digits than its factorization.

1553492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388377 (or 388375 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 1553492 is about 1246.3915917560. The cubic root of 1553492 is about 115.8162966277.

The spelling of 1553492 in words is "one million, five hundred fifty-three thousand, four hundred ninety-two".