42431246 has 16 divisors (see below), whose sum is σ = 74774448. Its totient is φ = 17803200.

The previous prime is 42431231. The next prime is 42431261. The reversal of 42431246 is 64213424.

42431246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42431231) and next prime (42431261).

It is a super-2 number, since 2×42431246² = 3600821274225032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 73895 + ... + 74466.

It is an arithmetic number, because the mean of its divisors is an integer number (4673403).

Almost surely, 2^42431246 is an apocalyptic number.

42431246 is a deficient number, since it is larger than the sum of its proper divisors (32343202).

42431246 is a wasteful number, since it uses less digits than its factorization.

42431246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148387.

The product of its digits is 4608, while the sum is 26.

The square root of 42431246 is about 6513.9270797269. The cubic root of 42431246 is about 348.7883161697.

The spelling of 42431246 in words is "forty-two million, four hundred thirty-one thousand, two hundred forty-six".