3040442 has 4 divisors (see below), whose sum is σ = 4560666. Its totient is φ = 1520220.

The previous prime is 3040409. The next prime is 3040469. The reversal of 3040442 is 2440403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2440403 = 7 ⋅348629.

It can be written as a sum of positive squares in only one way, i.e., 2430481 + 609961 = 1559^2 + 781^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3040442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760109 + ... + 760112.

Almost surely, 2^3040442 is an apocalyptic number.

3040442 is a deficient number, since it is larger than the sum of its proper divisors (1520224).

3040442 is a wasteful number, since it uses less digits than its factorization.

3040442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520223.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 3040442 is about 1743.6863250023. The cubic root of 3040442 is about 144.8701493074.

Adding to 3040442 its reverse (2440403), we get a palindrome (5480845).

The spelling of 3040442 in words is "three million, forty thousand, four hundred forty-two".