1830621341 has 8 divisors (see below), whose sum is σ = 1875975864. Its totient is φ = 1785300480.

The previous prime is 1830621337. The next prime is 1830621343. The reversal of 1830621341 is 1431260381.

It can be written as a sum of positive squares in 4 ways, for example, as 359898841 + 1470722500 = 18971^2 + 38350^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1830621341 - 2² = 1830621337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1830621343) 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, 129095 + ... + 142571.

It is an arithmetic number, because the mean of its divisors is an integer number (234496983).

Almost surely, 2^1830621341 is an apocalyptic number.

It is an amenable number.

1830621341 is a deficient number, since it is larger than the sum of its proper divisors (45354523).

1830621341 is a wasteful number, since it uses less digits than its factorization.

1830621341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16831.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1830621341 is about 42785.7609608617. The cubic root of 1830621341 is about 1223.2996185811.

The spelling of 1830621341 in words is "one billion, eight hundred thirty million, six hundred twenty-one thousand, three hundred forty-one".