5405402 has 4 divisors (see below), whose sum is σ = 8108106. Its totient is φ = 2702700.

The previous prime is 5405381. The next prime is 5405447. The reversal of 5405402 is 2045045.

It is a happy number.

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., 4844401 + 561001 = 2201^2 + 749^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1351349 + ... + 1351352.

Almost surely, 2^5405402 is an apocalyptic number.

5405402 is a deficient number, since it is larger than the sum of its proper divisors (2702704).

5405402 is a wasteful number, since it uses less digits than its factorization.

5405402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702703.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 5405402 is about 2324.9520425161. The cubic root of 5405402 is about 175.4995468099.

The spelling of 5405402 in words is "five million, four hundred five thousand, four hundred two".