3620988 has 36 divisors (see below), whose sum is σ = 10461360. Its totient is φ = 1034496.

The previous prime is 3620977. The next prime is 3620989. The reversal of 3620988 is 8890263.

3620988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3620988² = 26223108192288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3620989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6933 + ... + 7436.

Almost surely, 2^3620988 is an apocalyptic number.

It is an amenable number.

3620988 is an abundant number, since it is smaller than the sum of its proper divisors (6840372).

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

3620988 is a wasteful number, since it uses less digits than its factorization.

3620988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14386 (or 14381 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 3620988 is about 1902.8893819663. The cubic root of 3620988 is about 153.5591484785.

The spelling of 3620988 in words is "three million, six hundred twenty thousand, nine hundred eighty-eight".