454216998 has 32 divisors (see below), whose sum is σ = 938817792. Its totient is φ = 146412000.

The previous prime is 454216993. The next prime is 454217003. The reversal of 454216998 is 899612454.

It is an interprime number because it is at equal distance from previous prime (454216993) and next prime (454217003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454216993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17343 + ... + 34773.

It is an arithmetic number, because the mean of its divisors is an integer number (29338056).

Almost surely, 2^454216998 is an apocalyptic number.

454216998 is an abundant number, since it is smaller than the sum of its proper divisors (484600794).

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

454216998 is a wasteful number, since it uses less digits than its factorization.

454216998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17580.

The product of its digits is 622080, while the sum is 48.

The square root of 454216998 is about 21312.3672547186. The cubic root of 454216998 is about 768.6957162806.

The spelling of 454216998 in words is "four hundred fifty-four million, two hundred sixteen thousand, nine hundred ninety-eight".