42630998 has 16 divisors (see below), whose sum is σ = 64741680. Its totient is φ = 21052416.

The previous prime is 42630977. The next prime is 42631031. The reversal of 42630998 is 89903624.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68786 + ... + 69402.

It is an arithmetic number, because the mean of its divisors is an integer number (4046355).

Almost surely, 2^42630998 is an apocalyptic number.

42630998 is a deficient number, since it is larger than the sum of its proper divisors (22110682).

42630998 is a wasteful number, since it uses less digits than its factorization.

42630998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 42630998 is about 6529.2417630227. The cubic root of 42630998 is about 349.3347854652.

The spelling of 42630998 in words is "forty-two million, six hundred thirty thousand, nine hundred ninety-eight".