90862470 has 48 divisors (see below), whose sum is σ = 237511872. Its totient is φ = 24099840.

The previous prime is 90862469. The next prime is 90862477. The reversal of 90862470 is 7426809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90862477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14755 + ... + 19985.

It is an arithmetic number, because the mean of its divisors is an integer number (4948164).

Almost surely, 2^90862470 is an apocalyptic number.

90862470 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 90862470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118755936).

90862470 is an abundant number, since it is smaller than the sum of its proper divisors (146649402).

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

90862470 is a wasteful number, since it uses less digits than its factorization.

90862470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437 (or 5434 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 90862470 is about 9532.1807578329. The cubic root of 90862470 is about 449.5674361818.

The spelling of 90862470 in words is "ninety million, eight hundred sixty-two thousand, four hundred seventy".