Search a number
-
+
3970937 = 9914007
BaseRepresentation
bin1111001001011101111001
321110202002202
433021131321
52004032222
6221035545
745516035
oct17113571
97422082
103970937
112272473
1213b5bb5
13a90589
147551c5
15536892
hex3c9779

3970937 has 4 divisors (see below), whose sum is σ = 3975936. Its totient is φ = 3965940.

The previous prime is 3970903. The next prime is 3970949. The reversal of 3970937 is 7390793.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7390793 = 57712809.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3970937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3970937.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970997) 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, 1013 + ... + 2994.

It is an arithmetic number, because the mean of its divisors is an integer number (993984).

Almost surely, 23970937 is an apocalyptic number.

It is an amenable number.

3970937 is a deficient number, since it is larger than the sum of its proper divisors (4999).

3970937 is an equidigital number, since it uses as much as digits as its factorization.

3970937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998.

The product of its (nonzero) digits is 35721, while the sum is 38.

The square root of 3970937 is about 1992.7210040545. The cubic root of 3970937 is about 158.3547149949.

The spelling of 3970937 in words is "three million, nine hundred seventy thousand, nine hundred thirty-seven".

Divisors: 1 991 4007 3970937