11404402 has 4 divisors (see below), whose sum is σ = 17106606. Its totient is φ = 5702200.

The previous prime is 11404397. The next prime is 11404411. The reversal of 11404402 is 20440411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20440411 = 503 ⋅40637.

It can be written as a sum of positive squares in only one way, i.e., 10361961 + 1042441 = 3219^2 + 1021^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2851099 + ... + 2851102.

Almost surely, 2^11404402 is an apocalyptic number.

11404402 is a deficient number, since it is larger than the sum of its proper divisors (5702204).

11404402 is an equidigital number, since it uses as much as digits as its factorization.

11404402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5702203.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 11404402 is about 3377.0404202497. The cubic root of 11404402 is about 225.0906762093.

Adding to 11404402 its reverse (20440411), we get a palindrome (31844813).

The spelling of 11404402 in words is "eleven million, four hundred four thousand, four hundred two".