90247804 has 6 divisors (see below), whose sum is σ = 157933664. Its totient is φ = 45123900.

The previous prime is 90247771. The next prime is 90247811. The reversal of 90247804 is 40874209.

It is a happy number.

It is a super-2 number, since 2×90247804² = 16289332253644832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90247804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11280972 + ... + 11280979.

Almost surely, 2^90247804 is an apocalyptic number.

It is an amenable number.

90247804 is a deficient number, since it is larger than the sum of its proper divisors (67685860).

90247804 is a wasteful number, since it uses less digits than its factorization.

90247804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22561955 (or 22561953 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 90247804 is about 9499.8844203495. The cubic root of 90247804 is about 448.5513977521.

The spelling of 90247804 in words is "ninety million, two hundred forty-seven thousand, eight hundred four".