1953490 has 64 divisors (see below), whose sum is σ = 4561920. Its totient is φ = 584640.

The previous prime is 1953481. The next prime is 1953491. The reversal of 1953490 is 943591.

It is a super-2 number, since 2×1953490² = 7632246360200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1953491) 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 31 ways as a sum of consecutive naturals, for example, 33081 + ... + 33139.

It is an arithmetic number, because the mean of its divisors is an integer number (71280).

2^1953490 is an apocalyptic number.

1953490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1953490 is an abundant number, since it is smaller than the sum of its proper divisors (2608430).

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

1953490 is a wasteful number, since it uses less digits than its factorization.

1953490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 1953490 is about 1397.6730662068. The cubic root of 1953490 is about 125.0077861817.

The spelling of 1953490 in words is "one million, nine hundred fifty-three thousand, four hundred ninety".