1862379940 has 24 divisors (see below), whose sum is σ = 3947553792. Its totient is φ = 737988960.

The previous prime is 1862379931. The next prime is 1862379949. The reversal of 1862379940 is 499732681.

It is an interprime number because it is at equal distance from previous prime (1862379931) and next prime (1862379949).

It is not an unprimeable number, because it can be changed into a prime (1862379949) 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, 432996 + ... + 437275.

It is an arithmetic number, because the mean of its divisors is an integer number (164481408).

Almost surely, 2^1862379940 is an apocalyptic number.

1862379940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1862379940 is an abundant number, since it is smaller than the sum of its proper divisors (2085173852).

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

1862379940 is a wasteful number, since it uses less digits than its factorization.

1862379940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870387 (or 870385 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 1862379940 is about 43155.3002538506. The cubic root of 1862379940 is about 1230.3332518482. Note that the first 3 decimals are identical.

The spelling of 1862379940 in words is "one billion, eight hundred sixty-two million, three hundred seventy-nine thousand, nine hundred forty".