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3945087 = 32974519
BaseRepresentation
bin1111000011001001111111
321102102122100
433003021333
52002220322
6220320143
745350466
oct17031177
97372570
103945087
112255003
1213a3053
13a81893
147499dd
1552ddac
hex3c327f

3945087 has 12 divisors (see below), whose sum is σ = 5758480. Its totient is φ = 2602368.

The previous prime is 3945079. The next prime is 3945101. The reversal of 3945087 is 7805493.

It is not a de Polignac number, because 3945087 - 23 = 3945079 is a prime.

It is a super-2 number, since 2×39450872 = 31127422875138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3945017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1387 + ... + 3132.

Almost surely, 23945087 is an apocalyptic number.

3945087 is a deficient number, since it is larger than the sum of its proper divisors (1813393).

3945087 is a wasteful number, since it uses less digits than its factorization.

3945087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622 (or 4619 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3945087 is about 1986.2243075745. The cubic root of 3945087 is about 158.0103475571.

The spelling of 3945087 in words is "three million, nine hundred forty-five thousand, eighty-seven".

Divisors: 1 3 9 97 291 873 4519 13557 40671 438343 1315029 3945087