1860378241 has 4 divisors (see below), whose sum is σ = 1910658772. Its totient is φ = 1810097712.

The previous prime is 1860378199. The next prime is 1860378257. The reversal of 1860378241 is 1428730681.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 704106225 + 1156272016 = 26535^2 + 34004^2 .

It is a cyclic number.

It is not a de Polignac number, because 1860378241 - 2¹³ = 1860370049 is a prime.

It is a super-2 number, since 2×1860378241² = 6922014399172508162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1860378194 and 1860378203.

It is not an unprimeable number, because it can be changed into a prime (1860378271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25140210 + ... + 25140283.

It is an arithmetic number, because the mean of its divisors is an integer number (477664693).

Almost surely, 2^1860378241 is an apocalyptic number.

It is an amenable number.

1860378241 is a deficient number, since it is larger than the sum of its proper divisors (50280531).

1860378241 is an equidigital number, since it uses as much as digits as its factorization.

1860378241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50280530.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 1860378241 is about 43132.1022093753. The cubic root of 1860378241 is about 1229.8923035677.

The spelling of 1860378241 in words is "one billion, eight hundred sixty million, three hundred seventy-eight thousand, two hundred forty-one".