42303646 has 64 divisors (see below), whose sum is σ = 82861056. Its totient is φ = 15724800.

The previous prime is 42303643. The next prime is 42303661. The reversal of 42303646 is 64630324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42303641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 579466 + ... + 579538.

It is an arithmetic number, because the mean of its divisors is an integer number (1294704).

Almost surely, 2^42303646 is an apocalyptic number.

42303646 is a deficient number, since it is larger than the sum of its proper divisors (40557410).

42303646 is a wasteful number, since it uses less digits than its factorization.

42303646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 42303646 is about 6504.1253062960. The cubic root of 42303646 is about 348.4383376320.

The spelling of 42303646 in words is "forty-two million, three hundred three thousand, six hundred forty-six".