3974423349 has 16 divisors (see below), whose sum is σ = 5903654400. Its totient is φ = 2361460416.

The previous prime is 3974423329. The next prime is 3974423351. The reversal of 3974423349 is 9433244793.

It is not a de Polignac number, because 3974423349 - 2¹⁷ = 3974292277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3974423298 and 3974423307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974423329) 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, 1755909 + ... + 1758170.

It is an arithmetic number, because the mean of its divisors is an integer number (368978400).

Almost surely, 2^3974423349 is an apocalyptic number.

3974423349 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3974423349 is a deficient number, since it is larger than the sum of its proper divisors (1929231051).

3974423349 is a wasteful number, since it uses less digits than its factorization.

3974423349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514124.

The product of its digits is 1959552, while the sum is 48.

The square root of 3974423349 is about 63043.0277588252. The cubic root of 3974423349 is about 1584.0104480837.

The spelling of 3974423349 in words is "three billion, nine hundred seventy-four million, four hundred twenty-three thousand, three hundred forty-nine".