1900481 has 8 divisors (see below), whose sum is σ = 2195424. Its totient is φ = 1625920.

The previous prime is 1900463. The next prime is 1900487. The reversal of 1900481 is 1840091.

1900481 is nontrivially palindromic in base 16.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1900481 is a prime.

It is a super-2 number, since 2×1900481² = 7223656062722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1900487) 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, 4895 + ... + 5268.

It is an arithmetic number, because the mean of its divisors is an integer number (274428).

2^1900481 is an apocalyptic number.

1900481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1900481 is a deficient number, since it is larger than the sum of its proper divisors (294943).

1900481 is a wasteful number, since it uses less digits than its factorization.

1900481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10191.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1900481 is about 1378.5793412060. The cubic root of 1900481 is about 123.8666838089.

The spelling of 1900481 in words is "one million, nine hundred thousand, four hundred eighty-one".