99951480 has 48 divisors (see below), whose sum is σ = 324843480. Its totient is φ = 26653632.

The previous prime is 99951451. The next prime is 99951497. The reversal of 99951480 is 8415999.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138462 + ... + 139181.

Almost surely, 2^99951480 is an apocalyptic number.

99951480 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

99951480 is an abundant number, since it is smaller than the sum of its proper divisors (224892000).

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

99951480 is a wasteful number, since it uses less digits than its factorization.

99951480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277660 (or 277653 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 99951480 is about 9997.5737056548. The cubic root of 99951480 is about 464.0838012533.

The spelling of 99951480 in words is "ninety-nine million, nine hundred fifty-one thousand, four hundred eighty".