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3895994 = 21947997
BaseRepresentation
bin1110110111001010111010
321022221022002
432313022322
51444132434
6215301002
745054404
oct16671272
97287262
103895994
112221133
12137a762
13a6542b
14735b74
1551e57e
hex3b72ba

3895994 has 4 divisors (see below), whose sum is σ = 5843994. Its totient is φ = 1947996.

The previous prime is 3895981. The next prime is 3895999. The reversal of 3895994 is 4995983.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2140369 + 1755625 = 1463^2 + 1325^2 .

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (3895999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 973997 + ... + 974000.

Almost surely, 23895994 is an apocalyptic number.

3895994 is a deficient number, since it is larger than the sum of its proper divisors (1948000).

3895994 is a wasteful number, since it uses less digits than its factorization.

3895994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947999.

The product of its digits is 349920, while the sum is 47.

The square root of 3895994 is about 1973.8272467468. The cubic root of 3895994 is about 157.3521784299.

The spelling of 3895994 in words is "three million, eight hundred ninety-five thousand, nine hundred ninety-four".

Divisors: 1 2 1947997 3895994