1860674949 has 16 divisors (see below), whose sum is σ = 3150349440. Its totient is φ = 1063242720.

The previous prime is 1860674941. The next prime is 1860674957. The reversal of 1860674949 is 9494760681.

It is an interprime number because it is at equal distance from previous prime (1860674941) and next prime (1860674957).

It is not a de Polignac number, because 1860674949 - 2³ = 1860674941 is a prime.

It is a super-2 number, since 2×1860674949² = 6924222531672305202, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1860674895 and 1860674904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1860674941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4922232 + ... + 4922609.

It is an arithmetic number, because the mean of its divisors is an integer number (196896840).

Almost surely, 2^1860674949 is an apocalyptic number.

It is an amenable number.

1860674949 is a deficient number, since it is larger than the sum of its proper divisors (1289674491).

1860674949 is an equidigital number, since it uses as much as digits as its factorization.

1860674949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9844857 (or 9844851 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 1860674949 is about 43135.5415985472. The cubic root of 1860674949 is about 1229.9576844455.

The spelling of 1860674949 in words is "one billion, eight hundred sixty million, six hundred seventy-four thousand, nine hundred forty-nine".