3820357438 has 4 divisors (see below), whose sum is σ = 5730536160. Its totient is φ = 1910178718.

The previous prime is 3820357423. The next prime is 3820357451. The reversal of 3820357438 is 8347530283.

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

It is a junction number, because it is equal to n+sod(n) for n = 3820357394 and 3820357403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 955089358 + ... + 955089361.

It is an arithmetic number, because the mean of its divisors is an integer number (1432634040).

Almost surely, 2^3820357438 is an apocalyptic number.

3820357438 is a deficient number, since it is larger than the sum of its proper divisors (1910178722).

3820357438 is a wasteful number, since it uses less digits than its factorization.

3820357438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910178721.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 3820357438 is about 61809.0400993253. The cubic root of 3820357438 is about 1563.2724202935.

The spelling of 3820357438 in words is "three billion, eight hundred twenty million, three hundred fifty-seven thousand, four hundred thirty-eight".