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3976957 = 18612137
BaseRepresentation
bin1111001010111011111101
321111001100201
433022323331
52004230312
6221123501
745542425
oct17127375
97431321
103976957
112276a46
1213b9591
13a9323a
14757485
15538557
hex3caefd

3976957 has 4 divisors (see below), whose sum is σ = 3980956. Its totient is φ = 3972960.

The previous prime is 3976949. The next prime is 3976969. The reversal of 3976957 is 7596793.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 60516 + 3916441 = 246^2 + 1979^2 .

It is a cyclic number.

It is not a de Polignac number, because 3976957 - 23 = 3976949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3976927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793 + ... + 2929.

It is an arithmetic number, because the mean of its divisors is an integer number (995239).

Almost surely, 23976957 is an apocalyptic number.

It is an amenable number.

3976957 is a deficient number, since it is larger than the sum of its proper divisors (3999).

3976957 is a wasteful number, since it uses less digits than its factorization.

3976957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998.

The product of its digits is 357210, while the sum is 46.

The square root of 3976957 is about 1994.2309294563. The cubic root of 3976957 is about 158.4346972974.

The spelling of 3976957 in words is "three million, nine hundred seventy-six thousand, nine hundred fifty-seven".

Divisors: 1 1861 2137 3976957