900247620 has 24 divisors (see below), whose sum is σ = 2520693504. Its totient is φ = 240066016.

The previous prime is 900247573. The next prime is 900247627. The reversal of 900247620 is 26742009.

It is a happy number.

It is a hoax number, since the sum of its digits (30) 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 (30).

It is not an unprimeable number, because it can be changed into a prime (900247627) 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, 7502004 + ... + 7502123.

It is an arithmetic number, because the mean of its divisors is an integer number (105028896).

Almost surely, 2^900247620 is an apocalyptic number.

It is an amenable number.

900247620 is an abundant number, since it is smaller than the sum of its proper divisors (1620445884).

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

900247620 is a wasteful number, since it uses less digits than its factorization.

900247620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15004139 (or 15004137 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 900247620 is about 30004.1267161702. The cubic root of 900247620 is about 965.5779225904.

Adding to 900247620 its reverse (26742009), we get a palindrome (926989629).

The spelling of 900247620 in words is "nine hundred million, two hundred forty-seven thousand, six hundred twenty".