90847400 has 48 divisors (see below), whose sum is σ = 241398240. Its totient is φ = 31147200.

The previous prime is 90847363. The next prime is 90847403. The reversal of 90847400 is 474809.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (90847403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31046 + ... + 33845.

It is an arithmetic number, because the mean of its divisors is an integer number (5029130).

Almost surely, 2^90847400 is an apocalyptic number.

It is an amenable number.

90847400 is an abundant number, since it is smaller than the sum of its proper divisors (150550840).

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

90847400 is a wasteful number, since it uses less digits than its factorization.

90847400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64914 (or 64905 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 90847400 is about 9531.3902448698. The cubic root of 90847400 is about 449.5425804636.

The spelling of 90847400 in words is "ninety million, eight hundred forty-seven thousand, four hundred".