8997390 has 24 divisors (see below), whose sum is σ = 23393448. Its totient is φ = 2399280.

The previous prime is 8997353. The next prime is 8997407. The reversal of 8997390 is 937998.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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, 49896 + ... + 50075.

It is an arithmetic number, because the mean of its divisors is an integer number (974727).

Almost surely, 2^8997390 is an apocalyptic number.

8997390 is an abundant number, since it is smaller than the sum of its proper divisors (14396058).

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

8997390 is a wasteful number, since it uses less digits than its factorization.

8997390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99984 (or 99981 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 8997390 is about 2999.5649684579. The cubic root of 8997390 is about 207.9882728842.

It can be divided in two parts, 89 and 97390, that added together give a palindrome (97479).

The spelling of 8997390 in words is "eight million, nine hundred ninety-seven thousand, three hundred ninety".