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3970393 = 72572207
BaseRepresentation
bin1111001001010101011001
321110201100121
433021111121
52004023033
6221033241
745514330
oct17112531
97421317
103970393
112272019
1213b5821
13a9025b
14754d17
1553662d
hex3c9559

3970393 has 8 divisors (see below), whose sum is σ = 4557312. Its totient is φ = 3388416.

The previous prime is 3970363. The next prime is 3970409. The reversal of 3970393 is 3930793.

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

It is a cyclic number.

It is not a de Polignac number, because 3970393 - 213 = 3962201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3970313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696 + ... + 2902.

It is an arithmetic number, because the mean of its divisors is an integer number (569664).

Almost surely, 23970393 is an apocalyptic number.

It is an amenable number.

3970393 is a deficient number, since it is larger than the sum of its proper divisors (586919).

3970393 is a wasteful number, since it uses less digits than its factorization.

3970393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471.

The product of its (nonzero) digits is 15309, while the sum is 34.

The square root of 3970393 is about 1992.5845025996. The cubic root of 3970393 is about 158.3474833768.

The spelling of 3970393 in words is "three million, nine hundred seventy thousand, three hundred ninety-three".

Divisors: 1 7 257 1799 2207 15449 567199 3970393