1492820 has 24 divisors (see below), whose sum is σ = 3583104. Its totient is φ = 511776.

The previous prime is 1492819. The next prime is 1492823. The reversal of 1492820 is 282941.

It is a self number, because there is not a number n which added to its sum of digits gives 1492820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1492823) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 5192 + ... + 5471.

It is an arithmetic number, because the mean of its divisors is an integer number (149296).

2^1492820 is an apocalyptic number.

1492820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1492820 is an abundant number, since it is smaller than the sum of its proper divisors (2090284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1492820 is a wasteful number, since it uses less digits than its factorization.

1492820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10679 (or 10677 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1492820 is about 1221.8101325492. The cubic root of 1492820 is about 114.2884865399.

The spelling of 1492820 in words is "one million, four hundred ninety-two thousand, eight hundred twenty".