287423094 has 64 divisors (see below), whose sum is σ = 683527680. Its totient is φ = 78865920.

The previous prime is 287423083. The next prime is 287423117. The reversal of 287423094 is 490324782.

It is a super-2 number, since 2×287423094² = 165224069929065672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108862 + ... + 111470.

It is an arithmetic number, because the mean of its divisors is an integer number (10680120).

Almost surely, 2^287423094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 287423094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341763840).

287423094 is an abundant number, since it is smaller than the sum of its proper divisors (396104586).

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

287423094 is a wasteful number, since it uses less digits than its factorization.

287423094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 287423094 is about 16953.5569719160. The cubic root of 287423094 is about 659.9442055681.

The spelling of 287423094 in words is "two hundred eighty-seven million, four hundred twenty-three thousand, ninety-four".