3942434 has 16 divisors (see below), whose sum is σ = 6187320. Its totient is φ = 1881600.

The previous prime is 3942413. The next prime is 3942467. The reversal of 3942434 is 4342493.

It can be written as a sum of positive squares in 4 ways, for example, as 3822025 + 120409 = 1955^2 + 347^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3942397 and 3942406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5522 + ... + 6194.

Almost surely, 2^3942434 is an apocalyptic number.

3942434 is a deficient number, since it is larger than the sum of its proper divisors (2244886).

3942434 is a wasteful number, since it uses less digits than its factorization.

3942434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805.

The product of its digits is 10368, while the sum is 29.

The square root of 3942434 is about 1985.5563452091. The cubic root of 3942434 is about 157.9749199095.

The spelling of 3942434 in words is "three million, nine hundred forty-two thousand, four hundred thirty-four".