538342456 has 16 divisors (see below), whose sum is σ = 1032867000. Its totient is φ = 262911264.

The previous prime is 538342429. The next prime is 538342463. The reversal of 538342456 is 654243835.

It is a super-2 number, since 2×538342456² = 579625199864223872, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 782131 + ... + 782818.

Almost surely, 2^538342456 is an apocalyptic number.

It is an amenable number.

538342456 is a deficient number, since it is larger than the sum of its proper divisors (494524544).

538342456 is a wasteful number, since it uses less digits than its factorization.

538342456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564998 (or 1564994 counting only the distinct ones).

The product of its digits is 345600, while the sum is 40.

The square root of 538342456 is about 23202.2079983781. The cubic root of 538342456 is about 813.4912334898.

The spelling of 538342456 in words is "five hundred thirty-eight million, three hundred forty-two thousand, four hundred fifty-six".