405147038 has 4 divisors (see below), whose sum is σ = 607720560. Its totient is φ = 202573518.

The previous prime is 405147031. The next prime is 405147049. The reversal of 405147038 is 830741504.

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 = 405146995 and 405147013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405147031) by changing a digit.

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, 101286758 + ... + 101286761.

It is an arithmetic number, because the mean of its divisors is an integer number (151930140).

Almost surely, 2^405147038 is an apocalyptic number.

405147038 is a deficient number, since it is larger than the sum of its proper divisors (202573522).

405147038 is a wasteful number, since it uses less digits than its factorization.

405147038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202573521.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 405147038 is about 20128.2646544604. The cubic root of 405147038 is about 739.9531489695.

The spelling of 405147038 in words is "four hundred five million, one hundred forty-seven thousand, thirty-eight".