5402642 has 24 divisors (see below), whose sum is σ = 9757260. Its totient is φ = 2234400.

The previous prime is 5402633. The next prime is 5402647. The reversal of 5402642 is 2462045.

It can be written as a sum of positive squares in 2 ways, for example, as 5112121 + 290521 = 2261^2 + 539^2 .

It is not an unprimeable number, because it can be changed into a prime (5402647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1892 + ... + 3792.

Almost surely, 2^5402642 is an apocalyptic number.

5402642 is a deficient number, since it is larger than the sum of its proper divisors (4354618).

5402642 is a wasteful number, since it uses less digits than its factorization.

5402642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946 (or 1939 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 5402642 is about 2324.3584060983. The cubic root of 5402642 is about 175.4696716829.

Adding to 5402642 its reverse (2462045), we get a palindrome (7864687).

The spelling of 5402642 in words is "five million, four hundred two thousand, six hundred forty-two".