42928690 has 16 divisors (see below), whose sum is σ = 88310592. Its totient is φ = 14718384.

The previous prime is 42928687. The next prime is 42928693. The reversal of 42928690 is 9682924.

It is an interprime number because it is at equal distance from previous prime (42928687) and next prime (42928693).

It is a super-2 number, since 2×42928690² = 3685744850232200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42928693) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 306564 + ... + 306703.

It is an arithmetic number, because the mean of its divisors is an integer number (5519412).

Almost surely, 2^42928690 is an apocalyptic number.

42928690 is an abundant number, since it is smaller than the sum of its proper divisors (45381902).

42928690 is a wasteful number, since it uses less digits than its factorization.

42928690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613281.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 42928690 is about 6551.9989316238. The cubic root of 42928690 is about 350.1460342981.

The spelling of 42928690 in words is "forty-two million, nine hundred twenty-eight thousand, six hundred ninety".