36651798 has 64 divisors (see below), whose sum is σ = 86688000. Its totient is φ = 11446272.

The previous prime is 36651763. The next prime is 36651799. The reversal of 36651798 is 89715663.

It is a happy number.

Its product of digits (272160) is a multiple of the sum of its prime divisors (420).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36651799) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142486 + ... + 142742.

It is an arithmetic number, because the mean of its divisors is an integer number (1354500).

Almost surely, 2^36651798 is an apocalyptic number.

36651798 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 36651798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43344000).

36651798 is an abundant number, since it is smaller than the sum of its proper divisors (50036202).

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

36651798 is a wasteful number, since it uses less digits than its factorization.

36651798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 420 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 36651798 is about 6054.0728439622. The cubic root of 36651798 is about 332.1735858592.

The spelling of 36651798 in words is "thirty-six million, six hundred fifty-one thousand, seven hundred ninety-eight".