402683542 has 4 divisors (see below), whose sum is σ = 604025316. Its totient is φ = 201341770.

The previous prime is 402683537. The next prime is 402683557. The reversal of 402683542 is 245386204.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 402683498 and 402683507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100670884 + ... + 100670887.

It is an arithmetic number, because the mean of its divisors is an integer number (151006329).

Almost surely, 2^402683542 is an apocalyptic number.

402683542 is a deficient number, since it is larger than the sum of its proper divisors (201341774).

402683542 is a wasteful number, since it uses less digits than its factorization.

402683542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201341773.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 402683542 is about 20066.9764040326. The cubic root of 402683542 is about 738.4503375299.

It can be divided in two parts, 402683 and 542, that added together give a square (403225 = 635²).

The spelling of 402683542 in words is "four hundred two million, six hundred eighty-three thousand, five hundred forty-two".