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3970407 = 37189067
BaseRepresentation
bin1111001001010101100111
321110201101010
433021111213
52004023112
6221033303
745514350
oct17112547
97421333
103970407
112272031
1213b5833
13a9026c
14754d27
1553663c
hex3c9567

3970407 has 8 divisors (see below), whose sum is σ = 6050176. Its totient is φ = 2268792.

The previous prime is 3970363. The next prime is 3970409. The reversal of 3970407 is 7040793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3970407 - 28 = 3970151 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 (3970409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94513 + ... + 94554.

It is an arithmetic number, because the mean of its divisors is an integer number (756272).

Almost surely, 23970407 is an apocalyptic number.

3970407 is a deficient number, since it is larger than the sum of its proper divisors (2079769).

3970407 is a wasteful number, since it uses less digits than its factorization.

3970407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189077.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 3970407 is about 1992.5880156219. The cubic root of 3970407 is about 158.3476694929.

The spelling of 3970407 in words is "three million, nine hundred seventy thousand, four hundred seven".

Divisors: 1 3 7 21 189067 567201 1323469 3970407