2401402 has 4 divisors (see below), whose sum is σ = 3602106. Its totient is φ = 1200700.

The previous prime is 2401393. The next prime is 2401409. The reversal of 2401402 is 2041042.

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., 1852321 + 549081 = 1361^2 + 741^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2401409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600349 + ... + 600352.

2^2401402 is an apocalyptic number.

2401402 is a deficient number, since it is larger than the sum of its proper divisors (1200704).

2401402 is a wasteful number, since it uses less digits than its factorization.

2401402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200703.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2401402 is about 1549.6457659736. The cubic root of 2401402 is about 133.9126556359.

Adding to 2401402 its reverse (2041042), we get a palindrome (4442444).

The spelling of 2401402 in words is "two million, four hundred one thousand, four hundred two".