427630998 has 16 divisors (see below), whose sum is σ = 861416640. Its totient is φ = 141517896.

The previous prime is 427630993. The next prime is 427631003. The reversal of 427630998 is 899036724.

It is an interprime number because it is at equal distance from previous prime (427630993) and next prime (427631003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427630993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255540 + ... + 257207.

It is an arithmetic number, because the mean of its divisors is an integer number (53838540).

Almost surely, 2^427630998 is an apocalyptic number.

427630998 is an abundant number, since it is smaller than the sum of its proper divisors (433785642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427630998 is a wasteful number, since it uses less digits than its factorization.

427630998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512891.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 427630998 is about 20679.2407500856. The cubic root of 427630998 is about 753.3955654248.

The spelling of 427630998 in words is "four hundred twenty-seven million, six hundred thirty thousand, nine hundred ninety-eight".