97429986 has 32 divisors (see below), whose sum is σ = 227908800. Its totient is φ = 30767040.

The previous prime is 97429951. The next prime is 97430017. The reversal of 97429986 is 68992479.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46455 + ... + 48506.

It is an arithmetic number, because the mean of its divisors is an integer number (7122150).

Almost surely, 2^97429986 is an apocalyptic number.

97429986 is an abundant number, since it is smaller than the sum of its proper divisors (130478814).

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

97429986 is a wasteful number, since it uses less digits than its factorization.

97429986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94991 (or 94985 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 97429986 is about 9870.6628956722. The cubic root of 97429986 is about 460.1480084527.

The spelling of 97429986 in words is "ninety-seven million, four hundred twenty-nine thousand, nine hundred eighty-six".