3950042 has 4 divisors (see below), whose sum is σ = 5925066. Its totient is φ = 1975020.

The previous prime is 3950041. The next prime is 3950099. The reversal of 3950042 is 2400593.

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., 3806401 + 143641 = 1951^2 + 379^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3950041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987509 + ... + 987512.

Almost surely, 2^3950042 is an apocalyptic number.

3950042 is a deficient number, since it is larger than the sum of its proper divisors (1975024).

3950042 is a wasteful number, since it uses less digits than its factorization.

3950042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975023.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3950042 is about 1987.4712576538. The cubic root of 3950042 is about 158.0764731551.

The spelling of 3950042 in words is "three million, nine hundred fifty thousand, forty-two".