3493822378 has 4 divisors (see below), whose sum is σ = 5240733570. Its totient is φ = 1746911188.

The previous prime is 3493822373. The next prime is 3493822379. The reversal of 3493822378 is 8732283943.

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

It can be written as a sum of positive squares in only one way, i.e., 2979303889 + 514518489 = 54583^2 + 22683^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3493822373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 873455593 + ... + 873455596.

Almost surely, 2^3493822378 is an apocalyptic number.

3493822378 is a deficient number, since it is larger than the sum of its proper divisors (1746911192).

3493822378 is a wasteful number, since it uses less digits than its factorization.

3493822378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746911191.

The product of its digits is 1741824, while the sum is 49.

The square root of 3493822378 is about 59108.5643371585. The cubic root of 3493822378 is about 1517.4006789675.

The spelling of 3493822378 in words is "three billion, four hundred ninety-three million, eight hundred twenty-two thousand, three hundred seventy-eight".