1975490 has 16 divisors (see below), whose sum is σ = 3879360. Its totient is φ = 718320.

The previous prime is 1975481. The next prime is 1975499. The reversal of 1975490 is 945791.

It is an interprime number because it is at equal distance from previous prime (1975481) and next prime (1975499).

It is a self number, because there is not a number n which added to its sum of digits gives 1975490.

It is not an unprimeable number, because it can be changed into a prime (1975499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8870 + ... + 9089.

It is an arithmetic number, because the mean of its divisors is an integer number (242460).

2^1975490 is an apocalyptic number.

1975490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1975490 is a deficient number, since it is larger than the sum of its proper divisors (1903870).

1975490 is a wasteful number, since it uses less digits than its factorization.

1975490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17977.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 1975490 is about 1405.5212556201. The cubic root of 1975490 is about 125.4753103498.

The spelling of 1975490 in words is "one million, nine hundred seventy-five thousand, four hundred ninety".